131193292 has 12 divisors (see below), whose sum is σ = 229783680. Its totient is φ = 65540816.

The previous prime is 131193287. The next prime is 131193313. The reversal of 131193292 is 292391131.

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, 8428 + ... + 18259.

It is an arithmetic number, because the mean of its divisors is an integer number (19148640).

Almost surely, 2^131193292 is an apocalyptic number.

It is an amenable number.

131193292 is a deficient number, since it is larger than the sum of its proper divisors (98590388).

131193292 is a wasteful number, since it uses less digits than its factorization.

131193292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27920 (or 27918 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 131193292 is about 11453.9640299767. The cubic root of 131193292 is about 508.1249770009.

The spelling of 131193292 in words is "one hundred thirty-one million, one hundred ninety-three thousand, two hundred ninety-two".