313555580761 has 4 divisors (see below), whose sum is σ = 313557014800. Its totient is φ = 313554146724.

The previous prime is 313555580753. The next prime is 313555580773. The reversal of 313555580761 is 167085555313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 167085555313 = 31 ⋅5389856623.

It is a cyclic number.

It is not a de Polignac number, because 313555580761 - 2³ = 313555580753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313555580711) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 313251 + ... + 851608.

It is an arithmetic number, because the mean of its divisors is an integer number (78389253700).

Almost surely, 2^313555580761 is an apocalyptic number.

It is an amenable number.

313555580761 is a deficient number, since it is larger than the sum of its proper divisors (1434039).

313555580761 is a wasteful number, since it uses less digits than its factorization.

313555580761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434038.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 313555580761 in words is "three hundred thirteen billion, five hundred fifty-five million, five hundred eighty thousand, seven hundred sixty-one".