131512383632 has 20 divisors (see below), whose sum is σ = 291205992576. Its totient is φ = 56362450080.

The previous prime is 131512383589. The next prime is 131512383647. The reversal of 131512383632 is 236383215131.

It is a super-2 number, since 2×131512383632² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587108744 + ... + 587108967.

Almost surely, 2^131512383632 is an apocalyptic number.

It is an amenable number.

131512383632 is an abundant number, since it is smaller than the sum of its proper divisors (159693608944).

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

131512383632 is a wasteful number, since it uses less digits than its factorization.

131512383632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174217726 (or 1174217720 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

Adding to 131512383632 its reverse (236383215131), we get a palindrome (367895598763).

The spelling of 131512383632 in words is "one hundred thirty-one billion, five hundred twelve million, three hundred eighty-three thousand, six hundred thirty-two".