2313020340 has 192 divisors, whose sum is σ = 7664025600. Its totient is φ = 577124352.

The previous prime is 2313020317. The next prime is 2313020351. The reversal of 2313020340 is 430203132.

2313020340 is a `hidden beast` number, since 23 + 1 + 302 + 0 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1807821 + ... + 1809099.

It is an arithmetic number, because the mean of its divisors is an integer number (39916800).

Almost surely, 2^2313020340 is an apocalyptic number.

2313020340 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 2313020340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3832012800).

2313020340 is an abundant number, since it is smaller than the sum of its proper divisors (5351005260).

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

2313020340 is a wasteful number, since it uses less digits than its factorization.

2313020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2313020340 is about 48093.8700875694. The cubic root of 2313020340 is about 1322.4922954610.

Adding to 2313020340 its reverse (430203132), we get a palindrome (2743223472).

The spelling of 2313020340 in words is "two billion, three hundred thirteen million, twenty thousand, three hundred forty".