312214640431 has 8 divisors (see below), whose sum is σ = 314353292400. Its totient is φ = 310077887808.

The previous prime is 312214640417. The next prime is 312214640483. The reversal of 312214640431 is 134046412213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 312214640431 - 2⁵ = 312214640399 is a prime.

It is a super-2 number, since 2×312214640431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312214640393 and 312214640402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312214644431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144166 + ... + 803251.

It is an arithmetic number, because the mean of its divisors is an integer number (39294161550).

Almost surely, 2^312214640431 is an apocalyptic number.

312214640431 is a deficient number, since it is larger than the sum of its proper divisors (2138651969).

312214640431 is a wasteful number, since it uses less digits than its factorization.

312214640431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949673.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 312214640431 in words is "three hundred twelve billion, two hundred fourteen million, six hundred forty thousand, four hundred thirty-one".