131113924 has 6 divisors (see below), whose sum is σ = 229449374. Its totient is φ = 65556960.

The previous prime is 131113921. The next prime is 131113933. The reversal of 131113924 is 429311131.

It can be written as a sum of positive squares in only one way, i.e., 125440000 + 5673924 = 11200^2 + 2382^2 .

It is a super-2 number, since 2×131113924² = 34381722133355552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131113921) by changing a digit.

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 as a sum of consecutive naturals, namely, 16389237 + ... + 16389244.

Almost surely, 2^131113924 is an apocalyptic number.

It is an amenable number.

131113924 is a deficient number, since it is larger than the sum of its proper divisors (98335450).

131113924 is a wasteful number, since it uses less digits than its factorization.

131113924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32778485 (or 32778483 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 131113924 is about 11450.4988537618. The cubic root of 131113924 is about 508.0224895493.

The spelling of 131113924 in words is "one hundred thirty-one million, one hundred thirteen thousand, nine hundred twenty-four".