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131031140244103 = 1111911921840373
BaseRepresentation
bin11101110010110000010000…
…100100011001101010000111
3122011221110021110022000111001
4131302300100210121222013
5114133303233400302403
61142402512543554131
736412454543155261
oct3562602044315207
9564843243260431
10131031140244103
1138828aa3769450
12128428678bb947
135816250217468
14244dd26266b31
151023649abdc1d
hex772c10919a87

131031140244103 has 4 divisors (see below), whose sum is σ = 142943062084488. Its totient is φ = 119119218403720.

The previous prime is 131031140244089. The next prime is 131031140244113. The reversal of 131031140244103 is 301442041130131.

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 131031140244103 - 213 = 131031140235911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131031140244113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5955960920176 + ... + 5955960920197.

It is an arithmetic number, because the mean of its divisors is an integer number (35735765521122).

Almost surely, 2131031140244103 is an apocalyptic number.

131031140244103 is a deficient number, since it is larger than the sum of its proper divisors (11911921840385).

131031140244103 is a wasteful number, since it uses less digits than its factorization.

131031140244103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911921840384.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131031140244103 its reverse (301442041130131), we get a palindrome (432473181374234).

The spelling of 131031140244103 in words is "one hundred thirty-one trillion, thirty-one billion, one hundred forty million, two hundred forty-four thousand, one hundred three".

Divisors: 1 11 11911921840373 131031140244103