31653452322 has 40 divisors (see below), whose sum is σ = 71379003036. Its totient is φ = 10483937568.

The previous prime is 31653452321. The next prime is 31653452333. The reversal of 31653452322 is 22325435613.

It can be written as a sum of positive squares in 2 ways, for example, as 26686162881 + 4967289441 = 163359^2 + 70479^2 .

It is a super-2 number, since 2×31653452322² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31653452321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 596833 + ... + 647700.

Almost surely, 2^31653452322 is an apocalyptic number.

31653452322 is an abundant number, since it is smaller than the sum of its proper divisors (39725550714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31653452322 is a wasteful number, since it uses less digits than its factorization.

31653452322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244704 (or 1244695 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 31653452322 its reverse (22325435613), we get a palindrome (53978887935).

The spelling of 31653452322 in words is "thirty-one billion, six hundred fifty-three million, four hundred fifty-two thousand, three hundred twenty-two".