312131123210002 has 32 divisors (see below), whose sum is σ = 493569512092800. Its totient is φ = 147632478163200.

The previous prime is 312131123209991. The next prime is 312131123210057. The reversal of 312131123210002 is 200012321131213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66963802 + ... + 71473162.

It is an arithmetic number, because the mean of its divisors is an integer number (15424047252900).

Almost surely, 2^{312131123210002} is an apocalyptic number.

312131123210002 is a deficient number, since it is larger than the sum of its proper divisors (181438388882798).

312131123210002 is a wasteful number, since it uses less digits than its factorization.

312131123210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4512082.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312131123210002 its reverse (200012321131213), we get a palindrome (512143444341215).

The spelling of 312131123210002 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred twenty-three million, two hundred ten thousand, two".