2313030240 has 144 divisors (see below), whose sum is σ = 8042409648. Its totient is φ = 605150208.

The previous prime is 2313030233. The next prime is 2313030263. The reversal of 2313030240 is 420303132.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61167 + ... + 91473.

It is an arithmetic number, because the mean of its divisors is an integer number (55850067).

Almost surely, 2^2313030240 is an apocalyptic number.

2313030240 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 2313030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4021204824).

2313030240 is an abundant number, since it is smaller than the sum of its proper divisors (5729379408).

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

2313030240 is a wasteful number, since it uses less digits than its factorization.

2313030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30381 (or 30370 counting only the distinct ones).

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

The square root of 2313030240 is about 48093.9730111789. The cubic root of 2313030240 is about 1322.4941822660.

Adding to 2313030240 its reverse (420303132), we get a palindrome (2733333372).

The spelling of 2313030240 in words is "two billion, three hundred thirteen million, thirty thousand, two hundred forty".