231071552415 has 80 divisors (see below), whose sum is σ = 452564703360. Its totient is φ = 111863263680.

The previous prime is 231071552401. The next prime is 231071552417. The reversal of 231071552415 is 514255170132.

231071552415 is a `hidden beast` number, since 2 + 3 + 107 + 15 + 524 + 15 = 666.

It is not a de Polignac number, because 231071552415 - 2¹⁰ = 231071551391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231071552415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231071552417) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2896492 + ... + 2975198.

It is an arithmetic number, because the mean of its divisors is an integer number (5657058792).

Almost surely, 2^231071552415 is an apocalyptic number.

231071552415 is a deficient number, since it is larger than the sum of its proper divisors (221493150945).

231071552415 is a wasteful number, since it uses less digits than its factorization.

231071552415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79394 (or 79385 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 231071552415 in words is "two hundred thirty-one billion, seventy-one million, five hundred fifty-two thousand, four hundred fifteen".