31323331130 has 64 divisors (see below), whose sum is σ = 73475216640. Its totient is φ = 9330177024.

The previous prime is 31323331051. The next prime is 31323331141. The reversal of 31323331130 is 3113332313.

It is a junction number, because it is equal to n+sod(n) for n = 31323331096 and 31323331105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 996920 + ... + 1027859.

It is an arithmetic number, because the mean of its divisors is an integer number (1148050260).

Almost surely, 2^31323331130 is an apocalyptic number.

31323331130 is an abundant number, since it is smaller than the sum of its proper divisors (42151885510).

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

31323331130 is a wasteful number, since it uses less digits than its factorization.

31323331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024823.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 31323331130 its reverse (3113332313), we get a palindrome (34436663443).

The spelling of 31323331130 in words is "thirty-one billion, three hundred twenty-three million, three hundred thirty-one thousand, one hundred thirty".