311132113232 has 40 divisors (see below), whose sum is σ = 639689503680. Its totient is φ = 146280231680.

The previous prime is 311132113139. The next prime is 311132113241. The reversal of 311132113232 is 232311231113.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 311132113198 and 311132113207.

It is a congruent number.

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, 7143269 + ... + 7186692.

It is an arithmetic number, because the mean of its divisors is an integer number (15992237592).

Almost surely, 2^311132113232 is an apocalyptic number.

It is an amenable number.

311132113232 is an abundant number, since it is smaller than the sum of its proper divisors (328557390448).

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

311132113232 is a wasteful number, since it uses less digits than its factorization.

311132113232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14330051 (or 14330045 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

Adding to 311132113232 its reverse (232311231113), we get a palindrome (543443344345).

The spelling of 311132113232 in words is "three hundred eleven billion, one hundred thirty-two million, one hundred thirteen thousand, two hundred thirty-two".