31023032320322 has 24 divisors (see below), whose sum is σ = 54149437709820. Its totient is φ = 13291308666720.

The previous prime is 31023032320309. The next prime is 31023032320333. The reversal of 31023032320322 is 22302323032013.

It can be written as a sum of positive squares in 2 ways, for example, as 30827357913121 + 195674407201 = 5552239^2 + 442351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31023032320291 and 31023032320300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50605829 + ... + 51215192.

Almost surely, 2^{31023032320322} is an apocalyptic number.

31023032320322 is a deficient number, since it is larger than the sum of its proper divisors (23126405389498).

31023032320322 is a wasteful number, since it uses less digits than its factorization.

31023032320322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101824146 (or 101824139 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 31023032320322 its reverse (22302323032013), we get a palindrome (53325355352335).

The spelling of 31023032320322 in words is "thirty-one trillion, twenty-three billion, thirty-two million, three hundred twenty thousand, three hundred twenty-two".