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31230241040201 = 725642317398841
BaseRepresentation
bin1110001100111010110110…
…11011000110011101001001
311002120120201012020212211112
413012131123123012131021
513043134013201241301
6150230550310140105
76402211325605220
oct706353333063511
9132516635225745
1031230241040201
119a50741995255
123604768651635
131456ccb015488
1479d7a1d45cb7
153925848529bb
hex1c675b6c6749

31230241040201 has 8 divisors (see below), whose sum is σ = 35691845288064. Its totient is φ = 26768672102880.

The previous prime is 31230241040077. The next prime is 31230241040203. The reversal of 31230241040201 is 10204014203213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31230241040201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31230241040203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6904460 + ... + 10494381.

It is an arithmetic number, because the mean of its divisors is an integer number (4461480661008).

Almost surely, 231230241040201 is an apocalyptic number.

It is an amenable number.

31230241040201 is a deficient number, since it is larger than the sum of its proper divisors (4461604247863).

31230241040201 is a wasteful number, since it uses less digits than its factorization.

31230241040201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17655271.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31230241040201 its reverse (10204014203213), we get a palindrome (41434255243414).

The spelling of 31230241040201 in words is "thirty-one trillion, two hundred thirty billion, two hundred forty-one million, forty thousand, two hundred one".

Divisors: 1 7 256423 1794961 17398841 121791887 4461463005743 31230241040201