31303033130 has 32 divisors (see below), whose sum is σ = 59716472400. Its totient is φ = 11773496320.

The previous prime is 31303033123. The next prime is 31303033171. The reversal of 31303033130 is 3133030313.

It can be written as a sum of positive squares in 8 ways, for example, as 15633251089 + 15669782041 = 125033^2 + 125179^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93596 + ... + 267144.

Almost surely, 2^31303033130 is an apocalyptic number.

31303033130 is a deficient number, since it is larger than the sum of its proper divisors (28413439270).

31303033130 is a wasteful number, since it uses less digits than its factorization.

31303033130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174634.

The product of its (nonzero) digits is 729, while the sum is 20.

Adding to 31303033130 its reverse (3133030313), we get a palindrome (34436063443).

The spelling of 31303033130 in words is "thirty-one billion, three hundred three million, thirty-three thousand, one hundred thirty".