311420396 has 24 divisors (see below), whose sum is σ = 623293440. Its totient is φ = 133368912.

The previous prime is 311420381. The next prime is 311420407. The reversal of 311420396 is 693024113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46091 + ... + 52413.

It is an arithmetic number, because the mean of its divisors is an integer number (25970560).

Almost surely, 2^311420396 is an apocalyptic number.

It is an amenable number.

311420396 is an abundant number, since it is smaller than the sum of its proper divisors (311873044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311420396 is a wasteful number, since it uses less digits than its factorization.

311420396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8093 (or 8091 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 311420396 is about 17647.1072983648. The cubic root of 311420396 is about 677.8220368681.

The spelling of 311420396 in words is "three hundred eleven million, four hundred twenty thousand, three hundred ninety-six".