311321300232 has 32 divisors (see below), whose sum is σ = 778365434880. Its totient is φ = 103765475520.

The previous prime is 311321300219. The next prime is 311321300281. The reversal of 311321300232 is 232003123113.

It is a junction number, because it is equal to n+sod(n) for n = 311321300199 and 311321300208.

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, 207763 + ... + 815970.

It is an arithmetic number, because the mean of its divisors is an integer number (24323919840).

Almost surely, 2^311321300232 is an apocalyptic number.

It is an amenable number.

311321300232 is an abundant number, since it is smaller than the sum of its proper divisors (467044134648).

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

311321300232 is a wasteful number, since it uses less digits than its factorization.

311321300232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036413 (or 1036409 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 311321300232 its reverse (232003123113), we get a palindrome (543324423345).

The spelling of 311321300232 in words is "three hundred eleven billion, three hundred twenty-one million, three hundred thousand, two hundred thirty-two".