131131310032 has 40 divisors (see below), whose sum is σ = 255433590440. Its totient is φ = 65213544960.

The previous prime is 131131309999. The next prime is 131131310053. The reversal of 131131310032 is 230013131131.

It can be written as a sum of positive squares in 4 ways, for example, as 31323336256 + 99807973776 = 176984^2 + 315924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131131309991 and 131131310009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3723418 + ... + 3758470.

It is an arithmetic number, because the mean of its divisors is an integer number (6385839761).

Almost surely, 2^131131310032 is an apocalyptic number.

It is an amenable number.

131131310032 is a deficient number, since it is larger than the sum of its proper divisors (124302280408).

131131310032 is a wasteful number, since it uses less digits than its factorization.

131131310032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36311 (or 36305 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131131310032 its reverse (230013131131), we get a palindrome (361144441163).

The spelling of 131131310032 in words is "one hundred thirty-one billion, one hundred thirty-one million, three hundred ten thousand, thirty-two".