312403042 has 8 divisors (see below), whose sum is σ = 535548096. Its totient is φ = 133887012.

The previous prime is 312403009. The next prime is 312403079. The reversal of 312403042 is 240304213.

312403042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11157238 + ... + 11157265.

It is an arithmetic number, because the mean of its divisors is an integer number (66943512).

Almost surely, 2^312403042 is an apocalyptic number.

312403042 is a deficient number, since it is larger than the sum of its proper divisors (223145054).

312403042 is a wasteful number, since it uses less digits than its factorization.

312403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22314512.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 312403042 is about 17674.9269305420. The cubic root of 312403042 is about 678.5342143549.

Adding to 312403042 its reverse (240304213), we get a palindrome (552707255).

The spelling of 312403042 in words is "three hundred twelve million, four hundred three thousand, forty-two".