231433517440112 has 20 divisors (see below), whose sum is σ = 482894935428360. Its totient is φ = 106815469587648.

The previous prime is 231433517440079. The next prime is 231433517440171. The reversal of 231433517440112 is 211044715334132.

It is a super-2 number, since 2×231433517440112² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231433517440112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556330570562 + ... + 556330570977.

It is an arithmetic number, because the mean of its divisors is an integer number (24144746771418).

Almost surely, 2^{231433517440112} is an apocalyptic number.

It is an amenable number.

231433517440112 is an abundant number, since it is smaller than the sum of its proper divisors (251461417988248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231433517440112 is a wasteful number, since it uses less digits than its factorization.

231433517440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112661141560 (or 1112661141554 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 231433517440112 in words is "two hundred thirty-one trillion, four hundred thirty-three billion, five hundred seventeen million, four hundred forty thousand, one hundred twelve".