311906348 has 24 divisors (see below), whose sum is σ = 601498128. Its totient is φ = 140607936.

The previous prime is 311906341. The next prime is 311906363. The reversal of 311906348 is 843609113.

It is not an unprimeable number, because it can be changed into a prime (311906341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67511 + ... + 71982.

It is an arithmetic number, because the mean of its divisors is an integer number (25062422).

Almost surely, 2^311906348 is an apocalyptic number.

It is an amenable number.

311906348 is a deficient number, since it is larger than the sum of its proper divisors (289591780).

311906348 is a wasteful number, since it uses less digits than its factorization.

311906348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139553 (or 139551 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 311906348 is about 17660.8705334703. The cubic root of 311906348 is about 678.1744199028.

The spelling of 311906348 in words is "three hundred eleven million, nine hundred six thousand, three hundred forty-eight".