313373877281 has 4 divisors (see below), whose sum is σ = 323482712064. Its totient is φ = 303265042500.

The previous prime is 313373877277. The next prime is 313373877293. The reversal of 313373877281 is 182778373313.

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 313373877281 - 2² = 313373877277 is a prime.

It is a super-2 number, since 2×313373877281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313373876281) 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, 5054417345 + ... + 5054417406.

It is an arithmetic number, because the mean of its divisors is an integer number (80870678016).

Almost surely, 2^313373877281 is an apocalyptic number.

313373877281 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

313373877281 is a deficient number, since it is larger than the sum of its proper divisors (10108834783).

313373877281 is a wasteful number, since it uses less digits than its factorization.

313373877281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108834782.

The product of its digits is 3556224, while the sum is 53.

The spelling of 313373877281 in words is "three hundred thirteen billion, three hundred seventy-three million, eight hundred seventy-seven thousand, two hundred eighty-one".