320000131002 has 32 divisors (see below), whose sum is σ = 702975121920. Its totient is φ = 96659077680.

The previous prime is 320000130953. The next prime is 320000131019. The reversal of 320000131002 is 200131000023.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61019524 + ... + 61024767.

It is an arithmetic number, because the mean of its divisors is an integer number (21967972560).

Almost surely, 2^320000131002 is an apocalyptic number.

320000131002 is an abundant number, since it is smaller than the sum of its proper divisors (382974990918).

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

320000131002 is a wasteful number, since it uses less digits than its factorization.

320000131002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122044338.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 320000131002 its reverse (200131000023), we get a palindrome (520131131025).

The spelling of 320000131002 in words is "three hundred twenty billion, one hundred thirty-one thousand, two".