2312313340 has 12 divisors (see below), whose sum is σ = 4855858056. Its totient is φ = 924925328.

The previous prime is 2312313317. The next prime is 2312313373. The reversal of 2312313340 is 433132132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57807814 + ... + 57807853.

It is an arithmetic number, because the mean of its divisors is an integer number (404654838).

Almost surely, 2^2312313340 is an apocalyptic number.

2312313340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2312313340 is an abundant number, since it is smaller than the sum of its proper divisors (2543544716).

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

2312313340 is a wasteful number, since it uses less digits than its factorization.

2312313340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115615676 (or 115615674 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2312313340 is about 48086.5193167482. The cubic root of 2312313340 is about 1322.3575369784.

Adding to 2312313340 its reverse (433132132), we get a palindrome (2745445472).

It can be divided in two parts, 23123 and 13340, that added together give a palindrome (36463).

The spelling of 2312313340 in words is "two billion, three hundred twelve million, three hundred thirteen thousand, three hundred forty".