313117746220 has 24 divisors (see below), whose sum is σ = 692155018800. Its totient is φ = 118655145792.

The previous prime is 313117746217. The next prime is 313117746223. The reversal of 313117746220 is 22647711313.

It is an interprime number because it is at equal distance from previous prime (313117746217) and next prime (313117746223).

It is a self number, because there is not a number n which added to its sum of digits gives 313117746220.

It is not an unprimeable number, because it can be changed into a prime (313117746223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411996655 + ... + 411997414.

It is an arithmetic number, because the mean of its divisors is an integer number (28839792450).

Almost surely, 2^313117746220 is an apocalyptic number.

It is an amenable number.

313117746220 is an abundant number, since it is smaller than the sum of its proper divisors (379037272580).

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

313117746220 is a wasteful number, since it uses less digits than its factorization.

313117746220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823994097 (or 823994095 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 313117746220 in words is "three hundred thirteen billion, one hundred seventeen million, seven hundred forty-six thousand, two hundred twenty".