312118039 has 8 divisors (see below), whose sum is σ = 323537760. Its totient is φ = 300742176.

The previous prime is 312118003. The next prime is 312118043. The reversal of 312118039 is 930811213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312118039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312117998 and 312118016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312118099) 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, 3889 + ... + 25285.

It is an arithmetic number, because the mean of its divisors is an integer number (40442220).

Almost surely, 2^312118039 is an apocalyptic number.

312118039 is a deficient number, since it is larger than the sum of its proper divisors (11419721).

312118039 is a wasteful number, since it uses less digits than its factorization.

312118039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21929.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 312118039 is about 17666.8627379057. The cubic root of 312118039 is about 678.3278109825.

The spelling of 312118039 in words is "three hundred twelve million, one hundred eighteen thousand, thirty-nine".