31450030564 has 12 divisors (see below), whose sum is σ = 55112643964. Its totient is φ = 15703560864.

The previous prime is 31450030561. The next prime is 31450030637. The reversal of 31450030564 is 46503005413.

It can be written as a sum of positive squares in 2 ways, for example, as 23903633664 + 7546396900 = 154608^2 + 86870^2 .

It is not an unprimeable number, because it can be changed into a prime (31450030561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5360307 + ... + 5366170.

Almost surely, 2^31450030564 is an apocalyptic number.

It is an amenable number.

31450030564 is a deficient number, since it is larger than the sum of its proper divisors (23662613400).

31450030564 is a wasteful number, since it uses less digits than its factorization.

31450030564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727214 (or 10727212 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 31450030564 its reverse (46503005413), we get a palindrome (77953035977).

The spelling of 31450030564 in words is "thirty-one billion, four hundred fifty million, thirty thousand, five hundred sixty-four".