312054631 has 4 divisors (see below), whose sum is σ = 356633872. Its totient is φ = 267475392.

The previous prime is 312054607. The next prime is 312054641. The reversal of 312054631 is 136450213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136450213 = 73 ⋅1869181.

It is a cyclic number.

It is not a de Polignac number, because 312054631 - 2²⁵ = 278500199 is a prime.

It is a super-2 number, since 2×312054631² = 194756185457092322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312054596 and 312054605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312054641) 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, 22289610 + ... + 22289623.

It is an arithmetic number, because the mean of its divisors is an integer number (89158468).

Almost surely, 2^312054631 is an apocalyptic number.

312054631 is a deficient number, since it is larger than the sum of its proper divisors (44579241).

312054631 is an equidigital number, since it uses as much as digits as its factorization.

312054631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44579240.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 312054631 is about 17665.0681006330. The cubic root of 312054631 is about 678.2818728892.

The spelling of 312054631 in words is "three hundred twelve million, fifty-four thousand, six hundred thirty-one".