313111110103 has 4 divisors (see below), whose sum is σ = 341575756488. Its totient is φ = 284646463720.

The previous prime is 313111110073. The next prime is 313111110139. The reversal of 313111110103 is 301011111313.

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 313111110103 - 2²⁹ = 312574239191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111110503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14232323176 + ... + 14232323197.

It is an arithmetic number, because the mean of its divisors is an integer number (85393939122).

Almost surely, 2^313111110103 is an apocalyptic number.

313111110103 is a deficient number, since it is larger than the sum of its proper divisors (28464646385).

313111110103 is a wasteful number, since it uses less digits than its factorization.

313111110103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28464646384.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 313111110103 its reverse (301011111313), we get a palindrome (614122221416).

The spelling of 313111110103 in words is "three hundred thirteen billion, one hundred eleven million, one hundred ten thousand, one hundred three".