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31023101444423 = 112820281949493
BaseRepresentation
bin1110000110111001000001…
…11100010000000101000111
311001211210001021120011010212
413003130200330100011013
513031240302432210143
6145551452133510035
76351226242234164
oct703344074200507
9131753037504125
1031023101444423
119980906aa4080
123590599aa231b
1314406097c501a
1479375196b06b
1538beae6dc918
hex1c3720f10147

31023101444423 has 4 divisors (see below), whose sum is σ = 33843383393928. Its totient is φ = 28202819494920.

The previous prime is 31023101444383. The next prime is 31023101444429. The reversal of 31023101444423 is 32444410132013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31023101444423 - 216 = 31023101378887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31023101444423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023101444429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410140974736 + ... + 1410140974757.

It is an arithmetic number, because the mean of its divisors is an integer number (8460845848482).

Almost surely, 231023101444423 is an apocalyptic number.

31023101444423 is a deficient number, since it is larger than the sum of its proper divisors (2820281949505).

31023101444423 is a wasteful number, since it uses less digits than its factorization.

31023101444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2820281949504.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31023101444423 its reverse (32444410132013), we get a palindrome (63467511576436).

The spelling of 31023101444423 in words is "thirty-one trillion, twenty-three billion, one hundred one million, four hundred forty-four thousand, four hundred twenty-three".

Divisors: 1 11 2820281949493 31023101444423