312145714 has 4 divisors (see below), whose sum is σ = 468218574. Its totient is φ = 156072856.

The previous prime is 312145703. The next prime is 312145733. The reversal of 312145714 is 417541213.

312145714 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 417541213 = 277 ⋅1507369.

It can be written as a sum of positive squares in only one way, i.e., 287811225 + 24334489 = 16965^2 + 4933^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78036427 + ... + 78036430.

Almost surely, 2^312145714 is an apocalyptic number.

312145714 is a deficient number, since it is larger than the sum of its proper divisors (156072860).

312145714 is a wasteful number, since it uses less digits than its factorization.

312145714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156072859.

The product of its digits is 3360, while the sum is 28.

The square root of 312145714 is about 17667.6459665684. The cubic root of 312145714 is about 678.3478591320.

Adding to 312145714 its reverse (417541213), we get a palindrome (729686927).

The spelling of 312145714 in words is "three hundred twelve million, one hundred forty-five thousand, seven hundred fourteen".