313840497354 has 32 divisors (see below), whose sum is σ = 639840539520. Its totient is φ = 102588862272.

The previous prime is 313840497349. The next prime is 313840497371. The reversal of 313840497354 is 453794048313.

It is a junction number, because it is equal to n+sod(n) for n = 313840497297 and 313840497306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402019 + ... + 888425.

It is an arithmetic number, because the mean of its divisors is an integer number (19995016860).

Almost surely, 2^313840497354 is an apocalyptic number.

313840497354 is an abundant number, since it is smaller than the sum of its proper divisors (326000042166).

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

313840497354 is a wasteful number, since it uses less digits than its factorization.

313840497354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488494.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 313840497354 in words is "three hundred thirteen billion, eight hundred forty million, four hundred ninety-seven thousand, three hundred fifty-four".