2313100231440 has 80 divisors (see below), whose sum is σ = 7482376418688. Its totient is φ = 590008173568.

The previous prime is 2313100231439. The next prime is 2313100231451. The reversal of 2313100231440 is 441320013132.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 2313100231440.

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, 209514429 + ... + 209525468.

Almost surely, 2^{2313100231440} is an apocalyptic number.

2313100231440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313100231440 is an abundant number, since it is smaller than the sum of its proper divisors (5169276187248).

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

2313100231440 is a wasteful number, since it uses less digits than its factorization.

2313100231440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419039936 (or 419039930 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2313100231440 its reverse (441320013132), we get a palindrome (2754420244572).

The spelling of 2313100231440 in words is "two trillion, three hundred thirteen billion, one hundred million, two hundred thirty-one thousand, four hundred forty".