312162242 has 16 divisors (see below), whose sum is σ = 546057600. Its totient is φ = 133783524.

The previous prime is 312162197. The next prime is 312162271. The reversal of 312162242 is 242261213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226838 + ... + 228209.

It is an arithmetic number, because the mean of its divisors is an integer number (34128600).

Almost surely, 2^312162242 is an apocalyptic number.

312162242 is a deficient number, since it is larger than the sum of its proper divisors (233895358).

312162242 is an equidigital number, since it uses as much as digits as its factorization.

312162242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455070 (or 455056 counting only the distinct ones).

The product of its digits is 1152, while the sum is 23.

The square root of 312162242 is about 17668.1137080335. The cubic root of 312162242 is about 678.3598316767.

The spelling of 312162242 in words is "three hundred twelve million, one hundred sixty-two thousand, two hundred forty-two".