131332412 has 24 divisors (see below), whose sum is σ = 244399680. Its totient is φ = 61537280.

The previous prime is 131332393. The next prime is 131332423. The reversal of 131332412 is 214233131.

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, 12212 + ... + 20292.

It is an arithmetic number, because the mean of its divisors is an integer number (10183320).

Almost surely, 2^131332412 is an apocalyptic number.

It is an amenable number.

131332412 is a deficient number, since it is larger than the sum of its proper divisors (113067268).

131332412 is a wasteful number, since it uses less digits than its factorization.

131332412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341 (or 8339 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 131332412 is about 11460.0354275194. The cubic root of 131332412 is about 508.3045221928.

Adding to 131332412 its reverse (214233131), we get a palindrome (345565543).

The spelling of 131332412 in words is "one hundred thirty-one million, three hundred thirty-two thousand, four hundred twelve".