311432396 has 12 divisors (see below), whose sum is σ = 594552840. Its totient is φ = 141560160.

The previous prime is 311432383. The next prime is 311432431. The reversal of 311432396 is 693234113.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538961 + ... + 3539048.

It is an arithmetic number, because the mean of its divisors is an integer number (49546070).

Almost surely, 2^311432396 is an apocalyptic number.

It is an amenable number.

311432396 is a deficient number, since it is larger than the sum of its proper divisors (283120444).

311432396 is a wasteful number, since it uses less digits than its factorization.

311432396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078024 (or 7078022 counting only the distinct ones).

The product of its digits is 11664, while the sum is 32.

The square root of 311432396 is about 17647.4472941556. The cubic root of 311432396 is about 677.8307429560.

The spelling of 311432396 in words is "three hundred eleven million, four hundred thirty-two thousand, three hundred ninety-six".