311130133132 has 24 divisors (see below), whose sum is σ = 670126441376. Its totient is φ = 123084448128.

The previous prime is 311130133099. The next prime is 311130133159. The reversal of 311130133132 is 231331031113.

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, 427376193 + ... + 427376920.

Almost surely, 2^311130133132 is an apocalyptic number.

It is an amenable number.

311130133132 is an abundant number, since it is smaller than the sum of its proper divisors (358996308244).

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

311130133132 is a wasteful number, since it uses less digits than its factorization.

311130133132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854753137 (or 854753135 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 311130133132 its reverse (231331031113), we get a palindrome (542461164245).

The spelling of 311130133132 in words is "three hundred eleven billion, one hundred thirty million, one hundred thirty-three thousand, one hundred thirty-two".