312042707 has 4 divisors (see below), whose sum is σ = 312767136. Its totient is φ = 311318280.

The previous prime is 312042691. The next prime is 312042727. The reversal of 312042707 is 707240213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707240213 = 853 ⋅829121.

It is a cyclic number.

It is not a de Polignac number, because 312042707 - 2⁴ = 312042691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312042727) 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, 361568 + ... + 362429.

It is an arithmetic number, because the mean of its divisors is an integer number (78191784).

Almost surely, 2^312042707 is an apocalyptic number.

312042707 is a deficient number, since it is larger than the sum of its proper divisors (724429).

312042707 is an equidigital number, since it uses as much as digits as its factorization.

312042707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724428.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 312042707 is about 17664.7305951718. The cubic root of 312042707 is about 678.2732334446.

The spelling of 312042707 in words is "three hundred twelve million, forty-two thousand, seven hundred seven".