31322313121022 has 64 divisors (see below), whose sum is σ = 61135265092608. Its totient is φ = 11670686016000.

The previous prime is 31322313121013. The next prime is 31322313121061. The reversal of 31322313121022 is 22012131322313.

It is a junction number, because it is equal to n+sod(n) for n = 31322313120982 and 31322313121000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17794022 + ... + 19474902.

It is an arithmetic number, because the mean of its divisors is an integer number (955238517072).

Almost surely, 2^{31322313121022} is an apocalyptic number.

31322313121022 is a deficient number, since it is larger than the sum of its proper divisors (29812951971586).

31322313121022 is a wasteful number, since it uses less digits than its factorization.

31322313121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686185.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31322313121022 its reverse (22012131322313), we get a palindrome (53334444443335).

The spelling of 31322313121022 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred thirteen million, one hundred twenty-one thousand, twenty-two".