312233031112 has 16 divisors (see below), whose sum is σ = 585578781900. Its totient is φ = 156078689280.

The previous prime is 312233031073. The next prime is 312233031197. The reversal of 312233031112 is 211130332213.

It can be written as a sum of positive squares in 2 ways, for example, as 310197758116 + 2035272996 = 556954^2 + 45114^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4693189 + ... + 4759252.

Almost surely, 2^312233031112 is an apocalyptic number.

It is an amenable number.

312233031112 is a deficient number, since it is larger than the sum of its proper divisors (273345750788).

312233031112 is a wasteful number, since it uses less digits than its factorization.

312233031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9456576 (or 9456572 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312233031112 its reverse (211130332213), we get a palindrome (523363363325).

The spelling of 312233031112 in words is "three hundred twelve billion, two hundred thirty-three million, thirty-one thousand, one hundred twelve".