312131324001322 has 32 divisors (see below), whose sum is σ = 535955811858432. Its totient is φ = 133552355859504.

The previous prime is 312131324001317. The next prime is 312131324001349. The reversal of 312131324001322 is 223100423131213.

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, 14286933 + ... + 28781575.

It is an arithmetic number, because the mean of its divisors is an integer number (16748619120576).

Almost surely, 2^{312131324001322} is an apocalyptic number.

312131324001322 is a deficient number, since it is larger than the sum of its proper divisors (223824487857110).

312131324001322 is a wasteful number, since it uses less digits than its factorization.

312131324001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14497162.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 312131324001322 its reverse (223100423131213), we get a palindrome (535231747132535).

The spelling of 312131324001322 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, one thousand, three hundred twenty-two".