2313011440 has 20 divisors (see below), whose sum is σ = 5377751784. Its totient is φ = 925204544.

The previous prime is 2313011429. The next prime is 2313011443. The reversal of 2313011440 is 441103132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313011443) 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, 14456242 + ... + 14456401.

Almost surely, 2^2313011440 is an apocalyptic number.

2313011440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313011440 is an abundant number, since it is smaller than the sum of its proper divisors (3064740344).

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

2313011440 is a wasteful number, since it uses less digits than its factorization.

2313011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912656 (or 28912650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2313011440 is about 48093.7775600961. Note that the first 3 decimals coincide. The cubic root of 2313011440 is about 1322.4905992378.

Adding to 2313011440 its reverse (441103132), we get a palindrome (2754114572).

The spelling of 2313011440 in words is "two billion, three hundred thirteen million, eleven thousand, four hundred forty".