312231200113 has 4 divisors (see below), whose sum is σ = 356835657280. Its totient is φ = 267626742948.

The previous prime is 312231200069. The next prime is 312231200119. The reversal of 312231200113 is 311002132213.

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 312231200113 - 2³⁷ = 174792246641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312231200119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22302228573 + ... + 22302228586.

It is an arithmetic number, because the mean of its divisors is an integer number (89208914320).

Almost surely, 2^312231200113 is an apocalyptic number.

It is an amenable number.

312231200113 is a deficient number, since it is larger than the sum of its proper divisors (44604457167).

312231200113 is an equidigital number, since it uses as much as digits as its factorization.

312231200113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44604457166.

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

Adding to 312231200113 its reverse (311002132213), we get a palindrome (623233332326).

The spelling of 312231200113 in words is "three hundred twelve billion, two hundred thirty-one million, two hundred thousand, one hundred thirteen".