313086616345540 has 24 divisors (see below), whose sum is σ = 657490361458392. Its totient is φ = 125233033751040.

The previous prime is 313086616345513. The next prime is 313086616345553. The reversal of 313086616345540 is 45543616680313.

It can be written as a sum of positive squares in 4 ways, for example, as 29905301593476 + 283181314752064 = 5468574^2 + 16827992^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99206739 + ... + 102313978.

It is an arithmetic number, because the mean of its divisors is an integer number (27395431727433).

Almost surely, 2^{313086616345540} is an apocalyptic number.

It is an amenable number.

313086616345540 is an abundant number, since it is smaller than the sum of its proper divisors (344403745112852).

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

313086616345540 is a wasteful number, since it uses less digits than its factorization.

313086616345540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201598407 (or 201598405 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 55.

The spelling of 313086616345540 in words is "three hundred thirteen trillion, eighty-six billion, six hundred sixteen million, three hundred forty-five thousand, five hundred forty".