231500045105 has 16 divisors (see below), whose sum is σ = 319386896640. Its totient is φ = 157792327872.

The previous prime is 231500045071. The next prime is 231500045113. The reversal of 231500045105 is 501540005132.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231500045105 is a prime.

It is a super-2 number, since 2×231500045105² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19797410 + ... + 19809099.

It is an arithmetic number, because the mean of its divisors is an integer number (19961681040).

Almost surely, 2^231500045105 is an apocalyptic number.

It is an amenable number.

231500045105 is a deficient number, since it is larger than the sum of its proper divisors (87886851535).

231500045105 is a wasteful number, since it uses less digits than its factorization.

231500045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39606688.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 231500045105 in words is "two hundred thirty-one billion, five hundred million, forty-five thousand, one hundred five".