311230311332 has 48 divisors (see below), whose sum is σ = 563732863680. Its totient is φ = 150230650752.

The previous prime is 311230311283. The next prime is 311230311419. The reversal of 311230311332 is 233113032113.

It is a super-2 number, since 2×311230311332² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311230311298 and 311230311307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46016183 + ... + 46022945.

It is an arithmetic number, because the mean of its divisors is an integer number (11744434660).

Almost surely, 2^311230311332 is an apocalyptic number.

It is an amenable number.

311230311332 is a deficient number, since it is larger than the sum of its proper divisors (252502552348).

311230311332 is a wasteful number, since it uses less digits than its factorization.

311230311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 9178 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 311230311332 its reverse (233113032113), we get a palindrome (544343343445).

The spelling of 311230311332 in words is "three hundred eleven billion, two hundred thirty million, three hundred eleven thousand, three hundred thirty-two".