313310110121 has 4 divisors (see below), whose sum is σ = 313318353792. Its totient is φ = 313301866452.

The previous prime is 313310110111. The next prime is 313310110147. The reversal of 313310110121 is 121011013313.

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: 121011013313 = 195163 ⋅620051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313310110121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 313310110121.

It is not an unprimeable number, because it can be changed into a prime (313310110111) 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, 4064561 + ... + 4140926.

It is an arithmetic number, because the mean of its divisors is an integer number (78329588448).

Almost surely, 2^313310110121 is an apocalyptic number.

It is an amenable number.

313310110121 is a deficient number, since it is larger than the sum of its proper divisors (8243671).

313310110121 is an equidigital number, since it uses as much as digits as its factorization.

313310110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8243670.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 313310110121 its reverse (121011013313), we get a palindrome (434321123434).

The spelling of 313310110121 in words is "three hundred thirteen billion, three hundred ten million, one hundred ten thousand, one hundred twenty-one".