313110110221 has 4 divisors (see below), whose sum is σ = 313174927744. Its totient is φ = 313045292700.

The previous prime is 313110110213. The next prime is 313110110251. The reversal of 313110110221 is 122011011313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122011011313 = 16823 ⋅7252631.

It is a cyclic number.

It is not a de Polignac number, because 313110110221 - 2³ = 313110110213 is a prime.

It is a super-2 number, since 2×313110110221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313110110195 and 313110110204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313110110251) 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, 32401515 + ... + 32411176.

It is an arithmetic number, because the mean of its divisors is an integer number (78293731936).

Almost surely, 2^313110110221 is an apocalyptic number.

It is an amenable number.

313110110221 is a deficient number, since it is larger than the sum of its proper divisors (64817523).

313110110221 is an equidigital number, since it uses as much as digits as its factorization.

313110110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64817522.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 313110110221 its reverse (122011011313), we get a palindrome (435121121534).

The spelling of 313110110221 in words is "three hundred thirteen billion, one hundred ten million, one hundred ten thousand, two hundred twenty-one".