2313451040 has 72 divisors (see below), whose sum is σ = 5550043212. Its totient is φ = 911285760.

The previous prime is 2313451037. The next prime is 2313451073. The reversal of 2313451040 is 401543132.

It can be written as a sum of positive squares in 2 ways, for example, as 2301312784 + 12138256 = 47972^2 + 3484^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2313450997 and 2313451015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 716630 + ... + 719850.

Almost surely, 2^2313451040 is an apocalyptic number.

2313451040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2313451040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775021606).

2313451040 is an abundant number, since it is smaller than the sum of its proper divisors (3236592172).

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

2313451040 is an equidigital number, since it uses as much as digits as its factorization.

2313451040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2313451040 is about 48098.3475807641. The cubic root of 2313451040 is about 1322.5743760306.

Adding to 2313451040 its reverse (401543132), we get a palindrome (2714994172).

The spelling of 2313451040 in words is "two billion, three hundred thirteen million, four hundred fifty-one thousand, forty".