312131210032 has 20 divisors (see below), whose sum is σ = 606487050400. Its totient is φ = 155618422848.

The previous prime is 312131210011. The next prime is 312131210033. The reversal of 312131210032 is 230012131213.

It is a junction number, because it is equal to n+sod(n) for n = 312131209991 and 312131210009.

It is not an unprimeable number, because it can be changed into a prime (312131210033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27943128 + ... + 27954295.

It is an arithmetic number, because the mean of its divisors is an integer number (30324352520).

Almost surely, 2^312131210032 is an apocalyptic number.

It is an amenable number.

312131210032 is a deficient number, since it is larger than the sum of its proper divisors (294355840368).

312131210032 is a wasteful number, since it uses less digits than its factorization.

312131210032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55897780 (or 55897774 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312131210032 its reverse (230012131213), we get a palindrome (542143341245).

The spelling of 312131210032 in words is "three hundred twelve billion, one hundred thirty-one million, two hundred ten thousand, thirty-two".