310113142440 has 64 divisors (see below), whose sum is σ = 930379132800. Its totient is φ = 82693308672.

The previous prime is 310113142439. The next prime is 310113142457. The reversal of 310113142440 is 44241311013.

It is a super-2 number, since 2×310113142440² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 310113142440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4014501 + ... + 4091019.

It is an arithmetic number, because the mean of its divisors is an integer number (14537173950).

Almost surely, 2^310113142440 is an apocalyptic number.

310113142440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

310113142440 is an abundant number, since it is smaller than the sum of its proper divisors (620265990360).

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

310113142440 is a wasteful number, since it uses less digits than its factorization.

310113142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110306 (or 110302 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 310113142440 its reverse (44241311013), we get a palindrome (354354453453).

The spelling of 310113142440 in words is "three hundred ten billion, one hundred thirteen million, one hundred forty-two thousand, four hundred forty".