312113011232 has 48 divisors (see below), whose sum is σ = 709765029792. Its totient is φ = 133524280320.

The previous prime is 312113011213. The next prime is 312113011261. The reversal of 312113011232 is 232110311213.

It is a happy 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, 26072978 + ... + 26084945.

It is an arithmetic number, because the mean of its divisors is an integer number (14786771454).

Almost surely, 2^312113011232 is an apocalyptic number.

312113011232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

312113011232 is an abundant number, since it is smaller than the sum of its proper divisors (397652018560).

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

312113011232 is a wasteful number, since it uses less digits than its factorization.

312113011232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52157961 (or 52157953 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 312113011232 its reverse (232110311213), we get a palindrome (544223322445).

The spelling of 312113011232 in words is "three hundred twelve billion, one hundred thirteen million, eleven thousand, two hundred thirty-two".