312431112341 has 4 divisors (see below), whose sum is σ = 312555046284. Its totient is φ = 312307178400.

The previous prime is 312431112319. The next prime is 312431112443. The reversal of 312431112341 is 143211134213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67871191441 + 244559920900 = 260521^2 + 494530^2 .

It is a cyclic number.

It is not a de Polignac number, because 312431112341 - 2³⁸ = 37553205397 is a prime.

It is a super-2 number, since 2×312431112341² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 312431112341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312431112541) 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, 61963190 + ... + 61968231.

It is an arithmetic number, because the mean of its divisors is an integer number (78138761571).

Almost surely, 2^312431112341 is an apocalyptic number.

It is an amenable number.

312431112341 is a deficient number, since it is larger than the sum of its proper divisors (123933943).

312431112341 is a wasteful number, since it uses less digits than its factorization.

312431112341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123933942.

The product of its digits is 1728, while the sum is 26.

Adding to 312431112341 its reverse (143211134213), we get a palindrome (455642246554).

The spelling of 312431112341 in words is "three hundred twelve billion, four hundred thirty-one million, one hundred twelve thousand, three hundred forty-one".