31503233130 has 16 divisors (see below), whose sum is σ = 75607759584. Its totient is φ = 8400862160.

The previous prime is 31503233129. The next prime is 31503233141. The reversal of 31503233130 is 3133230513.

It is a self number, because there is not a number n which added to its sum of digits gives 31503233130.

It is an unprimeable number.

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, 525053856 + ... + 525053915.

It is an arithmetic number, because the mean of its divisors is an integer number (4725484974).

Almost surely, 2^31503233130 is an apocalyptic number.

31503233130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31503233130 is an abundant number, since it is smaller than the sum of its proper divisors (44104526454).

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

31503233130 is a wasteful number, since it uses less digits than its factorization.

31503233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050107781.

The product of its (nonzero) digits is 2430, while the sum is 24.

Adding to 31503233130 its reverse (3133230513), we get a palindrome (34636463643).

The spelling of 31503233130 in words is "thirty-one billion, five hundred three million, two hundred thirty-three thousand, one hundred thirty".