311300232012 has 144 divisors (see below), whose sum is σ = 997151011584. Its totient is φ = 79531632000.

The previous prime is 311300231989. The next prime is 311300232049. The reversal of 311300232012 is 210232003113.

311300232012 is a `hidden beast` number, since 31 + 1 + 300 + 2 + 320 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 751414 + ... + 1089597.

Almost surely, 2^311300232012 is an apocalyptic number.

It is an amenable number.

311300232012 is an abundant number, since it is smaller than the sum of its proper divisors (685850779572).

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

311300232012 is a wasteful number, since it uses less digits than its factorization.

311300232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841100 (or 1841095 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 311300232012 its reverse (210232003113), we get a palindrome (521532235125).

The spelling of 311300232012 in words is "three hundred eleven billion, three hundred million, two hundred thirty-two thousand, twelve".