311842930 has 32 divisors (see below), whose sum is σ = 642403584. Its totient is φ = 106767936.

The previous prime is 311842897. The next prime is 311842957. The reversal of 311842930 is 39248113.

It is a junction number, because it is equal to n+sod(n) for n = 311842892 and 311842901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54904 + ... + 60316.

It is an arithmetic number, because the mean of its divisors is an integer number (20075112).

Almost surely, 2^311842930 is an apocalyptic number.

311842930 is an abundant number, since it is smaller than the sum of its proper divisors (330560654).

311842930 is a wasteful number, since it uses less digits than its factorization.

311842930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6250.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 311842930 is about 17659.0750040878. The cubic root of 311842930 is about 678.1284537756.

The spelling of 311842930 in words is "three hundred eleven million, eight hundred forty-two thousand, nine hundred thirty".