131197316 has 12 divisors (see below), whose sum is σ = 229957980. Its totient is φ = 65495040.

The previous prime is 131197289. The next prime is 131197321. The reversal of 131197316 is 613791131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62473216 + 68724100 = 7904^2 + 8290^2 .

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, 23021 + ... + 28148.

It is an arithmetic number, because the mean of its divisors is an integer number (19163165).

Almost surely, 2^131197316 is an apocalyptic number.

It is an amenable number.

131197316 is a deficient number, since it is larger than the sum of its proper divisors (98760664).

131197316 is a wasteful number, since it uses less digits than its factorization.

131197316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51814 (or 51812 counting only the distinct ones).

The product of its digits is 3402, while the sum is 32.

The square root of 131197316 is about 11454.1396883398. The cubic root of 131197316 is about 508.1301720684.

The spelling of 131197316 in words is "one hundred thirty-one million, one hundred ninety-seven thousand, three hundred sixteen".