313894785253 has 4 divisors (see below), whose sum is σ = 358736897440. Its totient is φ = 269052673068.

The previous prime is 313894785247. The next prime is 313894785263. The reversal of 313894785253 is 352587498313.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 313894785253 - 2²⁵ = 313861230821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313894785263) 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 3 ways as a sum of consecutive naturals, for example, 22421056083 + ... + 22421056096.

It is an arithmetic number, because the mean of its divisors is an integer number (89684224360).

Almost surely, 2^313894785253 is an apocalyptic number.

It is an amenable number.

313894785253 is a deficient number, since it is larger than the sum of its proper divisors (44842112187).

313894785253 is an equidigital number, since it uses as much as digits as its factorization.

313894785253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44842112186.

The product of its digits is 21772800, while the sum is 58.

The spelling of 313894785253 in words is "three hundred thirteen billion, eight hundred ninety-four million, seven hundred eighty-five thousand, two hundred fifty-three".