31032452530 has 32 divisors (see below), whose sum is σ = 58731888240. Its totient is φ = 11788465920.

The previous prime is 31032452431. The next prime is 31032452531. The reversal of 31032452530 is 3525423013.

It can be written as a sum of positive squares in 8 ways, for example, as 818017201 + 30214435329 = 28601^2 + 173823^2 .

It is a super-2 number, since 2×31032452530² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31032452531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859429 + ... + 894808.

Almost surely, 2^31032452530 is an apocalyptic number.

31032452530 is a deficient number, since it is larger than the sum of its proper divisors (27699435710).

31032452530 is a wasteful number, since it uses less digits than its factorization.

31032452530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754334.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 31032452530 its reverse (3525423013), we get a palindrome (34557875543).

The spelling of 31032452530 in words is "thirty-one billion, thirty-two million, four hundred fifty-two thousand, five hundred thirty".