312331211040 has 96 divisors (see below), whose sum is σ = 1017768991680. Its totient is φ = 80416308224.

The previous prime is 312331211039. The next prime is 312331211051. The reversal of 312331211040 is 40112133213.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 312331210998 and 312331211016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11204874 + ... + 11232713.

It is an arithmetic number, because the mean of its divisors is an integer number (10601760330).

Almost surely, 2^312331211040 is an apocalyptic number.

312331211040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312331211040 is an abundant number, since it is smaller than the sum of its proper divisors (705437780640).

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

312331211040 is a wasteful number, since it uses less digits than its factorization.

312331211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22437634 (or 22437626 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312331211040 its reverse (40112133213), we get a palindrome (352443344253).

The spelling of 312331211040 in words is "three hundred twelve billion, three hundred thirty-one million, two hundred eleven thousand, forty".