311331232132 has 12 divisors (see below), whose sum is σ = 562404806656. Its totient is φ = 150644144520.

The previous prime is 311331232109. The next prime is 311331232139. The reversal of 311331232132 is 231232133113.

It is a super-2 number, since 2×311331232132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311331232097 and 311331232106.

It is not an unprimeable number, because it can be changed into a prime (311331232139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255367748 + ... + 1255367995.

Almost surely, 2^311331232132 is an apocalyptic number.

It is an amenable number.

311331232132 is a deficient number, since it is larger than the sum of its proper divisors (251073574524).

311331232132 is a wasteful number, since it uses less digits than its factorization.

311331232132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510735778 (or 2510735776 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

Adding to 311331232132 its reverse (231232133113), we get a palindrome (542563365245).

The spelling of 311331232132 in words is "three hundred eleven billion, three hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty-two".