312311042 has 8 divisors (see below), whose sum is σ = 471272256. Its totient is φ = 155220292.

The previous prime is 312311039. The next prime is 312311047. The reversal of 312311042 is 240113213.

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

It is a self number, because there is not a number n which added to its sum of digits gives 312311042.

It is not an unprimeable number, because it can be changed into a prime (312311047) 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, 467198 + ... + 467865.

It is an arithmetic number, because the mean of its divisors is an integer number (58909032).

Almost surely, 2^312311042 is an apocalyptic number.

312311042 is a deficient number, since it is larger than the sum of its proper divisors (158961214).

312311042 is a wasteful number, since it uses less digits than its factorization.

312311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935232.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 312311042 is about 17672.3241821782. The cubic root of 312311042 is about 678.4676003251.

Adding to 312311042 its reverse (240113213), we get a palindrome (552424255).

The spelling of 312311042 in words is "three hundred twelve million, three hundred eleven thousand, forty-two".