312011042 has 8 divisors (see below), whose sum is σ = 534876096. Its totient is φ = 133719012.

The previous prime is 312011041. The next prime is 312011069. The reversal of 312011042 is 240110213.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 22286503 = 312011042 / (3 + 1 + 2 + 0 + 1 + 1 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (312011041) 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, 11143238 + ... + 11143265.

It is an arithmetic number, because the mean of its divisors is an integer number (66859512).

Almost surely, 2^312011042 is an apocalyptic number.

312011042 is a deficient number, since it is larger than the sum of its proper divisors (222865054).

312011042 is a wasteful number, since it uses less digits than its factorization.

312011042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22286512.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 312011042 is about 17663.8342949655. The cubic root of 312011042 is about 678.2502897385.

Adding to 312011042 its reverse (240110213), we get a palindrome (552121255).

The spelling of 312011042 in words is "three hundred twelve million, eleven thousand, forty-two".