313695879253 has 4 divisors (see below), whose sum is σ = 313933349068. Its totient is φ = 313458409440.

The previous prime is 313695879251. The next prime is 313695879257. The reversal of 313695879253 is 352978596313.

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 139458927364 + 174236951889 = 373442^2 + 417417^2 .

It is a cyclic number.

It is not a de Polignac number, because 313695879253 - 2¹ = 313695879251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313695879191 and 313695879200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313695879251) 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, 118732926 + ... + 118735567.

It is an arithmetic number, because the mean of its divisors is an integer number (78483337267).

Almost surely, 2^313695879253 is an apocalyptic number.

It is an amenable number.

313695879253 is a deficient number, since it is larger than the sum of its proper divisors (237469815).

313695879253 is a wasteful number, since it uses less digits than its factorization.

313695879253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237469814.

The product of its digits is 36741600, while the sum is 61.

The spelling of 313695879253 in words is "three hundred thirteen billion, six hundred ninety-five million, eight hundred seventy-nine thousand, two hundred fifty-three".