2313532240 has 20 divisors (see below), whose sum is σ = 5378962644. Its totient is φ = 925412864.

The previous prime is 2313532237. The next prime is 2313532307. The reversal of 2313532240 is 422353132.

It can be written as a sum of positive squares in 2 ways, for example, as 714172176 + 1599360064 = 26724^2 + 39992^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14459497 + ... + 14459656.

Almost surely, 2^2313532240 is an apocalyptic number.

2313532240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313532240 is an abundant number, since it is smaller than the sum of its proper divisors (3065430404).

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

2313532240 is a wasteful number, since it uses less digits than its factorization.

2313532240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28919166 (or 28919160 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2313532240 is about 48099.1916771997. The cubic root of 2313532240 is about 1322.5898495636.

Adding to 2313532240 its reverse (422353132), we get a palindrome (2735885372).

The spelling of 2313532240 in words is "two billion, three hundred thirteen million, five hundred thirty-two thousand, two hundred forty".