311890004 has 12 divisors (see below), whose sum is σ = 546854784. Its totient is φ = 155645784.

The previous prime is 311889971. The next prime is 311890009. The reversal of 311890004 is 400098113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311890009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72452 + ... + 76635.

It is an arithmetic number, because the mean of its divisors is an integer number (45571232).

Almost surely, 2^311890004 is an apocalyptic number.

It is an amenable number.

311890004 is a deficient number, since it is larger than the sum of its proper divisors (234964780).

311890004 is a wasteful number, since it uses less digits than its factorization.

311890004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149614 (or 149612 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 311890004 is about 17660.4078095609. The cubic root of 311890004 is about 678.1625741715.

The spelling of 311890004 in words is "three hundred eleven million, eight hundred ninety thousand, four".