311477089 has 16 divisors (see below), whose sum is σ = 408775680. Its totient is φ = 229934160.

The previous prime is 311477083. The next prime is 311477141. The reversal of 311477089 is 980774113.

It is a cyclic number.

It is not a de Polignac number, because 311477089 - 2⁹ = 311476577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311477083) 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 15 ways as a sum of consecutive naturals, for example, 104989 + ... + 107914.

It is an arithmetic number, because the mean of its divisors is an integer number (25548480).

Almost surely, 2^311477089 is an apocalyptic number.

It is an amenable number.

311477089 is a deficient number, since it is larger than the sum of its proper divisors (97298591).

311477089 is a wasteful number, since it uses less digits than its factorization.

311477089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212940.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 311477089 is about 17648.7135225206. The cubic root of 311477089 is about 677.8631660872.

The spelling of 311477089 in words is "three hundred eleven million, four hundred seventy-seven thousand, eighty-nine".