312103111013 has 4 divisors (see below), whose sum is σ = 328529590560. Its totient is φ = 295676631468.

The previous prime is 312103111007. The next prime is 312103111037. The reversal of 312103111013 is 310111301213.

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.

It is not a de Polignac number, because 312103111013 - 2¹⁶ = 312103045477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312103110982 and 312103111000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312103111043) 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, 8213239745 + ... + 8213239782.

It is an arithmetic number, because the mean of its divisors is an integer number (82132397640).

Almost surely, 2^312103111013 is an apocalyptic number.

It is an amenable number.

312103111013 is a deficient number, since it is larger than the sum of its proper divisors (16426479547).

312103111013 is a wasteful number, since it uses less digits than its factorization.

312103111013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16426479546.

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

Adding to 312103111013 its reverse (310111301213), we get a palindrome (622214412226).

The spelling of 312103111013 in words is "three hundred twelve billion, one hundred three million, one hundred eleven thousand, thirteen".