311312111032 has 32 divisors (see below), whose sum is σ = 635674057200. Its totient is φ = 142068098304.

The previous prime is 311312111027. The next prime is 311312111051. The reversal of 311312111032 is 230111213113.

It is a super-2 number, since 2×311312111032² (a number of 24 digits) contains 22 as substring.

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, 16807518 + ... + 16826029.

Almost surely, 2^311312111032 is an apocalyptic number.

It is an amenable number.

311312111032 is an abundant number, since it is smaller than the sum of its proper divisors (324361946168).

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

311312111032 is a wasteful number, since it uses less digits than its factorization.

311312111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33633655 (or 33633651 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 311312111032 its reverse (230111213113), we get a palindrome (541423324145).

The spelling of 311312111032 in words is "three hundred eleven billion, three hundred twelve million, one hundred eleven thousand, thirty-two".