311871148 has 12 divisors (see below), whose sum is σ = 546079912. Its totient is φ = 155848320.

The previous prime is 311871143. The next prime is 311871151. The reversal of 311871148 is 841178113.

311871148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×311871148² = 194527225909675808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311871143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13413 + ... + 28348.

Almost surely, 2^311871148 is an apocalyptic number.

It is an amenable number.

311871148 is a deficient number, since it is larger than the sum of its proper divisors (234208764).

311871148 is a wasteful number, since it uses less digits than its factorization.

311871148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43632 (or 43630 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The square root of 311871148 is about 17659.8739519850. The cubic root of 311871148 is about 678.1489072900.

The spelling of 311871148 in words is "three hundred eleven million, eight hundred seventy-one thousand, one hundred forty-eight".