312044430231 has 6 divisors (see below), whose sum is σ = 450730843680. Its totient is φ = 208029620148.

The previous prime is 312044430221. The next prime is 312044430239. The reversal of 312044430231 is 132034440213.

312044430231 is a `hidden beast` number, since 3 + 1 + 204 + 4 + 430 + 23 + 1 = 666.

It is not a de Polignac number, because 312044430231 - 2¹⁵ = 312044397463 is a prime.

It is a super-2 number, since 2×312044430231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312044430195 and 312044430204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312044430239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17335801671 + ... + 17335801688.

It is an arithmetic number, because the mean of its divisors is an integer number (75121807280).

Almost surely, 2^312044430231 is an apocalyptic number.

312044430231 is a deficient number, since it is larger than the sum of its proper divisors (138686413449).

312044430231 is a wasteful number, since it uses less digits than its factorization.

312044430231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34671603365 (or 34671603362 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 312044430231 its reverse (132034440213), we get a palindrome (444078870444).

The spelling of 312044430231 in words is "three hundred twelve billion, forty-four million, four hundred thirty thousand, two hundred thirty-one".