313517017040 has 40 divisors (see below), whose sum is σ = 732381734688. Its totient is φ = 124812455040.

The previous prime is 313517017039. The next prime is 313517017043. The reversal of 313517017040 is 40710715313.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 313517016988 and 313517017006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313517017043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9269762 + ... + 9303521.

Almost surely, 2^313517017040 is an apocalyptic number.

It is an amenable number.

313517017040 is an abundant number, since it is smaller than the sum of its proper divisors (418864717648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313517017040 is a wasteful number, since it uses less digits than its factorization.

313517017040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18573507 (or 18573501 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 313517017040 in words is "three hundred thirteen billion, five hundred seventeen million, seventeen thousand, forty".