231431434211104 has 48 divisors (see below), whose sum is σ = 475449919947072. Its totient is φ = 110682444091648.

The previous prime is 231431434211093. The next prime is 231431434211143. The reversal of 231431434211104 is 401112434134132.

It is a self number, because there is not a number n which added to its sum of digits gives 231431434211104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35092002 + ... + 41162014.

It is an arithmetic number, because the mean of its divisors is an integer number (9905206665564).

Almost surely, 2^{231431434211104} is an apocalyptic number.

It is an amenable number.

231431434211104 is an abundant number, since it is smaller than the sum of its proper divisors (244018485735968).

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

231431434211104 is a wasteful number, since it uses less digits than its factorization.

231431434211104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121849 (or 6121841 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 231431434211104 its reverse (401112434134132), we get a palindrome (632543868345236).

The spelling of 231431434211104 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, four hundred thirty-four million, two hundred eleven thousand, one hundred four".