311670242 has 16 divisors (see below), whose sum is σ = 508177152. Its totient is φ = 142502160.

The previous prime is 311670241. The next prime is 311670259. The reversal of 311670242 is 242076113.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (311670241) 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, 53234 + ... + 58797.

It is an arithmetic number, because the mean of its divisors is an integer number (31761072).

Almost surely, 2^311670242 is an apocalyptic number.

311670242 is a deficient number, since it is larger than the sum of its proper divisors (196506910).

311670242 is a wasteful number, since it uses less digits than its factorization.

311670242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112153.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 311670242 is about 17654.1848296657. The cubic root of 311670242 is about 678.0032558442.

The spelling of 311670242 in words is "three hundred eleven million, six hundred seventy thousand, two hundred forty-two".