131708197316 has 6 divisors (see below), whose sum is σ = 230489345310. Its totient is φ = 65854098656.

The previous prime is 131708197301. The next prime is 131708197351. The reversal of 131708197316 is 613791807131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85203274816 + 46504922500 = 291896^2 + 215650^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16463524661 + ... + 16463524668.

It is an arithmetic number, because the mean of its divisors is an integer number (38414890885).

Almost surely, 2^131708197316 is an apocalyptic number.

It is an amenable number.

131708197316 is a deficient number, since it is larger than the sum of its proper divisors (98781147994).

131708197316 is a wasteful number, since it uses less digits than its factorization.

131708197316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32927049333 (or 32927049331 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 131708197316 in words is "one hundred thirty-one billion, seven hundred eight million, one hundred ninety-seven thousand, three hundred sixteen".