131313132032 has 40 divisors (see below), whose sum is σ = 264041099916. Its totient is φ = 65238331392.

The previous prime is 131313132029. The next prime is 131313132047. The reversal of 131313132032 is 230231313131.

It can be written as a sum of positive squares in 2 ways, for example, as 121784248576 + 9528883456 = 348976^2 + 97616^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131313131989 and 131313132007.

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 3 ways as a sum of consecutive naturals, for example, 736403 + ... + 897170.

Almost surely, 2^131313132032 is an apocalyptic number.

It is an amenable number.

131313132032 is an abundant number, since it is smaller than the sum of its proper divisors (132727967884).

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

131313132032 is an equidigital number, since it uses as much as digits as its factorization.

131313132032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633748 (or 1633732 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 131313132032 its reverse (230231313131), we get a palindrome (361544445163).

The spelling of 131313132032 in words is "one hundred thirty-one billion, three hundred thirteen million, one hundred thirty-two thousand, thirty-two".