231431401112 has 16 divisors (see below), whose sum is σ = 433949794200. Its totient is φ = 115711456000.

The previous prime is 231431401099. The next prime is 231431401133. The reversal of 231431401112 is 211104134132.

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, 292562 + ... + 740577.

Almost surely, 2^231431401112 is an apocalyptic number.

It is an amenable number.

231431401112 is a deficient number, since it is larger than the sum of its proper divisors (202518393088).

231431401112 is a wasteful number, since it uses less digits than its factorization.

231431401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061146 (or 1061142 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 231431401112 its reverse (211104134132), we get a palindrome (442535535244).

The spelling of 231431401112 in words is "two hundred thirty-one billion, four hundred thirty-one million, four hundred one thousand, one hundred twelve".