310113040 has 20 divisors (see below), whose sum is σ = 721013004. Its totient is φ = 124045184.

The previous prime is 310113029. The next prime is 310113047. The reversal of 310113040 is 40311013.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 123298816 = 13668^2 + 11104^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 310113040.

It is not an unprimeable number, because it can be changed into a prime (310113047) 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, 1938127 + ... + 1938286.

Almost surely, 2^310113040 is an apocalyptic number.

It is an amenable number.

310113040 is an abundant number, since it is smaller than the sum of its proper divisors (410899964).

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

310113040 is a wasteful number, since it uses less digits than its factorization.

310113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3876426 (or 3876420 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 310113040 is about 17610.0266893608. The cubic root of 310113040 is about 676.8721979401.

Adding to 310113040 its reverse (40311013), we get a palindrome (350424053).

The spelling of 310113040 in words is "three hundred ten million, one hundred thirteen thousand, forty".