312133303013 has 4 divisors (see below), whose sum is σ = 356723774880. Its totient is φ = 267542831148.

The previous prime is 312133302967. The next prime is 312133303049. The reversal of 312133303013 is 310303331213.

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 a cyclic number.

It is not a de Polignac number, because 312133303013 - 2⁸ = 312133302757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312133303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312133303093) 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, 22295235923 + ... + 22295235936.

It is an arithmetic number, because the mean of its divisors is an integer number (89180943720).

Almost surely, 2^312133303013 is an apocalyptic number.

It is an amenable number.

312133303013 is a deficient number, since it is larger than the sum of its proper divisors (44590471867).

312133303013 is an equidigital number, since it uses as much as digits as its factorization.

312133303013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44590471866.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 312133303013 its reverse (310303331213), we get a palindrome (622436634226).

The spelling of 312133303013 in words is "three hundred twelve billion, one hundred thirty-three million, three hundred three thousand, thirteen".