131711902 has 24 divisors (see below), whose sum is σ = 230542200. Its totient is φ = 56271600.

The previous prime is 131711893. The next prime is 131711917. The reversal of 131711902 is 209117131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32277 + ... + 36127.

It is an arithmetic number, because the mean of its divisors is an integer number (9605925).

Almost surely, 2^131711902 is an apocalyptic number.

131711902 is a deficient number, since it is larger than the sum of its proper divisors (98830298).

131711902 is a wasteful number, since it uses less digits than its factorization.

131711902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216 (or 4209 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 131711902 is about 11476.5805883111. The cubic root of 131711902 is about 508.7936398040.

The spelling of 131711902 in words is "one hundred thirty-one million, seven hundred eleven thousand, nine hundred two".