313255332545 has 16 divisors (see below), whose sum is σ = 378068260752. Its totient is φ = 249163649280.

The previous prime is 313255332521. The next prime is 313255332553. The reversal of 313255332545 is 545233552313.

It can be written as a sum of positive squares in 8 ways, for example, as 57769564609 + 255485767936 = 240353^2 + 505456^2 .

It is not a de Polignac number, because 313255332545 - 2²⁶ = 313188223681 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 4246799 + ... + 4319931.

It is an arithmetic number, because the mean of its divisors is an integer number (23629266297).

Almost surely, 2^313255332545 is an apocalyptic number.

It is an amenable number.

313255332545 is a deficient number, since it is larger than the sum of its proper divisors (64812928207).

313255332545 is a wasteful number, since it uses less digits than its factorization.

313255332545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78052.

The product of its digits is 810000, while the sum is 41.

Adding to 313255332545 its reverse (545233552313), we get a palindrome (858488884858).

The spelling of 313255332545 in words is "three hundred thirteen billion, two hundred fifty-five million, three hundred thirty-two thousand, five hundred forty-five".