313651223455372 has 18 divisors (see below), whose sum is σ = 603324977350004. Its totient is φ = 142568737934040.

The previous prime is 313651223455343. The next prime is 313651223455421. The reversal of 313651223455372 is 273554322156313.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324019858458 + ... + 324019859425.

Almost surely, 2^{313651223455372} is an apocalyptic number.

It is an amenable number.

313651223455372 is a deficient number, since it is larger than the sum of its proper divisors (289673753894632).

313651223455372 is a wasteful number, since it uses less digits than its factorization.

313651223455372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648039717909 (or 648039717896 counting only the distinct ones).

The product of its digits is 13608000, while the sum is 52.

The spelling of 313651223455372 in words is "three hundred thirteen trillion, six hundred fifty-one billion, two hundred twenty-three million, four hundred fifty-five thousand, three hundred seventy-two".