131561360324 has 24 divisors (see below), whose sum is σ = 230765242848. Its totient is φ = 65628561600.

The previous prime is 131561360323. The next prime is 131561360351. The reversal of 131561360324 is 423063165131.

It is a super-2 number, since 2×131561360324² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131561360323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4460024 + ... + 4489424.

It is an arithmetic number, because the mean of its divisors is an integer number (9615218452).

Almost surely, 2^131561360324 is an apocalyptic number.

It is an amenable number.

131561360324 is a deficient number, since it is larger than the sum of its proper divisors (99203882524).

131561360324 is a wasteful number, since it uses less digits than its factorization.

131561360324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31955 (or 31953 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 131561360324 in words is "one hundred thirty-one billion, five hundred sixty-one million, three hundred sixty thousand, three hundred twenty-four".