231312431042 has 96 divisors (see below), whose sum is σ = 450396205056. Its totient is φ = 88063264800.

The previous prime is 231312431041. The next prime is 231312431059. The reversal of 231312431042 is 240134213132.

231312431042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231312431041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35006903 + ... + 35013509.

It is an arithmetic number, because the mean of its divisors is an integer number (4691627136).

Almost surely, 2^231312431042 is an apocalyptic number.

231312431042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231312431042 is a deficient number, since it is larger than the sum of its proper divisors (219083774014).

231312431042 is a wasteful number, since it uses less digits than its factorization.

231312431042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7372 (or 7365 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231312431042 its reverse (240134213132), we get a palindrome (471446644174).

The spelling of 231312431042 in words is "two hundred thirty-one billion, three hundred twelve million, four hundred thirty-one thousand, forty-two".