312634231 has 8 divisors (see below), whose sum is σ = 384780704. Its totient is φ = 247358880.

The previous prime is 312634207. The next prime is 312634277. The reversal of 312634231 is 132436213.

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 312634231 - 2⁹ = 312633719 is a prime.

It is a super-2 number, since 2×312634231² = 195480324785922722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312634196 and 312634205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312634831) 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, 1717680 + ... + 1717861.

It is an arithmetic number, because the mean of its divisors is an integer number (48097588).

Almost surely, 2^312634231 is an apocalyptic number.

312634231 is a deficient number, since it is larger than the sum of its proper divisors (72146473).

312634231 is a wasteful number, since it uses less digits than its factorization.

312634231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435561.

The product of its digits is 2592, while the sum is 25.

The square root of 312634231 is about 17681.4657480651. The cubic root of 312634231 is about 678.7015526380.

The spelling of 312634231 in words is "three hundred twelve million, six hundred thirty-four thousand, two hundred thirty-one".