311034040 has 32 divisors (see below), whose sum is σ = 740994480. Its totient is φ = 117094912.

The previous prime is 311034029. The next prime is 311034043. The reversal of 311034040 is 40430113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311034043) 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, 228022 + ... + 229381.

Almost surely, 2^311034040 is an apocalyptic number.

It is an amenable number.

311034040 is an abundant number, since it is smaller than the sum of its proper divisors (429960440).

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

311034040 is a wasteful number, since it uses less digits than its factorization.

311034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457431 (or 457427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 311034040 is about 17636.1571777981. The cubic root of 311034040 is about 677.5416131627.

Adding to 311034040 its reverse (40430113), we get a palindrome (351464153).

The spelling of 311034040 in words is "three hundred eleven million, thirty-four thousand, forty".