31023022322 has 24 divisors (see below), whose sum is σ = 49447697940. Its totient is φ = 14594693120.

The previous prime is 31023022313. The next prime is 31023022343. The reversal of 31023022322 is 22322032013.

It can be written as a sum of positive squares in 6 ways, for example, as 25600320001 + 5422702321 = 160001^2 + 73639^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31023022294 and 31023022303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2723054 + ... + 2734422.

Almost surely, 2^31023022322 is an apocalyptic number.

31023022322 is a deficient number, since it is larger than the sum of its proper divisors (18424675618).

31023022322 is a wasteful number, since it uses less digits than its factorization.

31023022322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126 (or 16109 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31023022322 its reverse (22322032013), we get a palindrome (53345054335).

The spelling of 31023022322 in words is "thirty-one billion, twenty-three million, twenty-two thousand, three hundred twenty-two".