313190078847361 has 4 divisors (see below), whose sum is σ = 314557721113300. Its totient is φ = 311822436581424.

The previous prime is 313190078847343. The next prime is 313190078847473. The reversal of 313190078847361 is 163748870091313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 202211101809025 + 110978977038336 = 14220095^2 + 10534656^2 .

It is a cyclic number.

It is not a de Polignac number, because 313190078847361 - 2¹⁷ = 313190078716289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313190078847361.

It is not an unprimeable number, because it can be changed into a prime (313190078847341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683821132626 + ... + 683821133083.

It is an arithmetic number, because the mean of its divisors is an integer number (78639430278325).

Almost surely, 2^{313190078847361} is an apocalyptic number.

It is an amenable number.

313190078847361 is a deficient number, since it is larger than the sum of its proper divisors (1367642265939).

313190078847361 is a wasteful number, since it uses less digits than its factorization.

313190078847361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367642265938.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 313190078847361 in words is "three hundred thirteen trillion, one hundred ninety billion, seventy-eight million, eight hundred forty-seven thousand, three hundred sixty-one".