3130081440 has 48 divisors (see below), whose sum is σ = 9859758048. Its totient is φ = 834688256.

The previous prime is 3130081397. The next prime is 3130081459. The reversal of 3130081440 is 441800313.

It is a tau number, because it is divible by the number of its divisors (48).

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 3130081440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3260022 + ... + 3260981.

It is an arithmetic number, because the mean of its divisors is an integer number (205411626).

Almost surely, 2^3130081440 is an apocalyptic number.

3130081440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3130081440 is an abundant number, since it is smaller than the sum of its proper divisors (6729676608).

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

3130081440 is a wasteful number, since it uses less digits than its factorization.

3130081440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521021 (or 6521013 counting only the distinct ones).

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

The square root of 3130081440 is about 55947.1307575286. The cubic root of 3130081440 is about 1462.8008784134.

Adding to 3130081440 its reverse (441800313), we get a palindrome (3571881753).

The spelling of 3130081440 in words is "three billion, one hundred thirty million, eighty-one thousand, four hundred forty".