311429900 has 18 divisors (see below), whose sum is σ = 675803100. Its totient is φ = 124571920.

The previous prime is 311429879. The next prime is 311429903. The reversal of 311429900 is 9924113.

It is a happy number.

It is a super-2 number, since 2×311429900² = 193977165228020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (311429903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1557050 + ... + 1557249.

Almost surely, 2^311429900 is an apocalyptic number.

It is an amenable number.

311429900 is an abundant number, since it is smaller than the sum of its proper divisors (364373200).

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

311429900 is a wasteful number, since it uses less digits than its factorization.

311429900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114313 (or 3114306 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 311429900 is about 17647.3765755707. The cubic root of 311429900 is about 677.8289321081.

The spelling of 311429900 in words is "three hundred eleven million, four hundred twenty-nine thousand, nine hundred".