311314040 has 16 divisors (see below), whose sum is σ = 700456680. Its totient is φ = 124525600.

The previous prime is 311314001. The next prime is 311314111. The reversal of 311314040 is 40413113.

311314040 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 2×311314040² = 193832863002243200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3891386 + ... + 3891465.

Almost surely, 2^311314040 is an apocalyptic number.

It is an amenable number.

311314040 is an abundant number, since it is smaller than the sum of its proper divisors (389142640).

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

311314040 is a wasteful number, since it uses less digits than its factorization.

311314040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782862 (or 7782858 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 311314040 is about 17644.0936293140. The cubic root of 311314040 is about 677.7448650346.

Adding to 311314040 its reverse (40413113), we get a palindrome (351727153).

The spelling of 311314040 in words is "three hundred eleven million, three hundred fourteen thousand, forty".