31312031011322 has 8 divisors (see below), whose sum is σ = 47337873655296. Its totient is φ = 15532739792892.

The previous prime is 31312031011301. The next prime is 31312031011361. The reversal of 31312031011322 is 22311013021313.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 61637856068 + ... + 61637856575.

It is an arithmetic number, because the mean of its divisors is an integer number (5917234206912).

Almost surely, 2^{31312031011322} is an apocalyptic number.

31312031011322 is a deficient number, since it is larger than the sum of its proper divisors (16025842643974).

31312031011322 is a wasteful number, since it uses less digits than its factorization.

31312031011322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123275712772.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31312031011322 its reverse (22311013021313), we get a palindrome (53623044032635).

The spelling of 31312031011322 in words is "thirty-one trillion, three hundred twelve billion, thirty-one million, eleven thousand, three hundred twenty-two".