312131324014322 has 32 divisors (see below), whose sum is σ = 472714634327040. Its totient is φ = 154566492364800.

The previous prime is 312131324014309. The next prime is 312131324014379. The reversal of 312131324014322 is 223410423131213.

It is a super-2 number, since 2×312131324014322² (a number of 30 digits) contains 22 as substring.

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, 187342898 + ... + 189001650.

It is an arithmetic number, because the mean of its divisors is an integer number (14772332322720).

Almost surely, 2^{312131324014322} is an apocalyptic number.

312131324014322 is a deficient number, since it is larger than the sum of its proper divisors (160583310312718).

312131324014322 is a wasteful number, since it uses less digits than its factorization.

312131324014322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660778.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 312131324014322 its reverse (223410423131213), we get a palindrome (535541747145535).

The spelling of 312131324014322 in words is "three hundred twelve trillion, one hundred thirty-one billion, three hundred twenty-four million, fourteen thousand, three hundred twenty-two".