31563089652 has 24 divisors (see below), whose sum is σ = 73684329376. Its totient is φ = 10515727008.

The previous prime is 31563089651. The next prime is 31563089659. The reversal of 31563089652 is 25698036513.

It is a super-2 number, since 2×31563089652² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31563089651) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 638023 + ... + 685710.

Almost surely, 2^31563089652 is an apocalyptic number.

It is an amenable number.

31563089652 is an abundant number, since it is smaller than the sum of its proper divisors (42121239724).

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

31563089652 is a wasteful number, since it uses less digits than its factorization.

31563089652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325727 (or 1325725 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 31563089652 in words is "thirty-one billion, five hundred sixty-three million, eighty-nine thousand, six hundred fifty-two".