131002320032 has 24 divisors (see below), whose sum is σ = 258357839796. Its totient is φ = 65387630592.

The previous prime is 131002320019. The next prime is 131002320041. The reversal of 131002320032 is 230023200131.

It can be written as a sum of positive squares in 2 ways, for example, as 114030483856 + 16971836176 = 337684^2 + 130276^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529043 + ... + 3565970.

Almost surely, 2^131002320032 is an apocalyptic number.

It is an amenable number.

131002320032 is a deficient number, since it is larger than the sum of its proper divisors (127355519764).

131002320032 is an equidigital number, since it uses as much as digits as its factorization.

131002320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095600 (or 7095592 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 131002320032 its reverse (230023200131), we get a palindrome (361025520163).

The spelling of 131002320032 in words is "one hundred thirty-one billion, two million, three hundred twenty thousand, thirty-two".