313122021103 has 4 divisors (see below), whose sum is σ = 316048395240. Its totient is φ = 310195646968.

The previous prime is 313122021083. The next prime is 313122021181. The reversal of 313122021103 is 301120221313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313122021103 - 2⁹ = 313122020591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313122021503) 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, 1463186908 + ... + 1463187121.

It is an arithmetic number, because the mean of its divisors is an integer number (79012098810).

Almost surely, 2^313122021103 is an apocalyptic number.

313122021103 is a deficient number, since it is larger than the sum of its proper divisors (2926374137).

313122021103 is a wasteful number, since it uses less digits than its factorization.

313122021103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926374136.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 313122021103 its reverse (301120221313), we get a palindrome (614242242416).

The spelling of 313122021103 in words is "three hundred thirteen billion, one hundred twenty-two million, twenty-one thousand, one hundred three".