2312540230 has 128 divisors (see below), whose sum is σ = 5626091520. Its totient is φ = 664859520.

The previous prime is 2312540213. The next prime is 2312540231. The reversal of 2312540230 is 320452132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312540231) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1691007 + ... + 1692373.

It is an arithmetic number, because the mean of its divisors is an integer number (43953840).

Almost surely, 2^2312540230 is an apocalyptic number.

2312540230 is an abundant number, since it is smaller than the sum of its proper divisors (3313551290).

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

2312540230 is a wasteful number, since it uses less digits than its factorization.

2312540230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2312540230 is about 48088.8784439812. The cubic root of 2312540230 is about 1322.4007865796.

Adding to 2312540230 its reverse (320452132), we get a palindrome (2632992362).

The spelling of 2312540230 in words is "two billion, three hundred twelve million, five hundred forty thousand, two hundred thirty".