311496889 has 24 divisors (see below), whose sum is σ = 358344000. Its totient is φ = 268503840.

The previous prime is 311496863. The next prime is 311496901. The reversal of 311496889 is 988694113.

It is not a de Polignac number, because 311496889 - 2²⁷ = 177279161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (311496839) 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 23 ways as a sum of consecutive naturals, for example, 1157847 + ... + 1158115.

It is an arithmetic number, because the mean of its divisors is an integer number (14931000).

Almost surely, 2^311496889 is an apocalyptic number.

It is an amenable number.

311496889 is a deficient number, since it is larger than the sum of its proper divisors (46847111).

311496889 is a wasteful number, since it uses less digits than its factorization.

311496889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 502 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 311496889 is about 17649.2744610083. The cubic root of 311496889 is about 677.8775292692.

The spelling of 311496889 in words is "three hundred eleven million, four hundred ninety-six thousand, eight hundred eighty-nine".