313122033113 has 4 divisors (see below), whose sum is σ = 313125844020. Its totient is φ = 313118222208.

The previous prime is 313122033101. The next prime is 313122033149. The reversal of 313122033113 is 311330221313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311330221313 = 2309 ⋅134833357.

It can be written as a sum of positive squares in 2 ways, for example, as 129421501504 + 183700531609 = 359752^2 + 428603^2 .

It is a cyclic number.

It is not a de Polignac number, because 313122033113 - 2²² = 313117838809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313122033613) 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, 1779428 + ... + 1947461.

It is an arithmetic number, because the mean of its divisors is an integer number (78281461005).

Almost surely, 2^313122033113 is an apocalyptic number.

It is an amenable number.

313122033113 is a deficient number, since it is larger than the sum of its proper divisors (3810907).

313122033113 is an equidigital number, since it uses as much as digits as its factorization.

313122033113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810906.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 313122033113 its reverse (311330221313), we get a palindrome (624452254426).

The spelling of 313122033113 in words is "three hundred thirteen billion, one hundred twenty-two million, thirty-three thousand, one hundred thirteen".