313721217426632 has 16 divisors (see below), whose sum is σ = 590668059785100. Its totient is φ = 156209734817280.

The previous prime is 313721217426599. The next prime is 313721217426653. The reversal of 313721217426632 is 236624712127313.

It can be written as a sum of positive squares in 2 ways, for example, as 308714247310756 + 5006970115876 = 17570266^2 + 2237626^2 .

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, 81359234957 + ... + 81359238812.

Almost surely, 2^{313721217426632} is an apocalyptic number.

It is an amenable number.

313721217426632 is a deficient number, since it is larger than the sum of its proper divisors (276946842358468).

313721217426632 is a wasteful number, since it uses less digits than its factorization.

313721217426632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162718474016 (or 162718474012 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 50.

The spelling of 313721217426632 in words is "three hundred thirteen trillion, seven hundred twenty-one billion, two hundred seventeen million, four hundred twenty-six thousand, six hundred thirty-two".