2312130240243 has 6 divisors (see below), whose sum is σ = 3339743680364. Its totient is φ = 1541420160156.

The previous prime is 2312130240239. The next prime is 2312130240289. The reversal of 2312130240243 is 3420420312132.

2312130240243 is a `hidden beast` number, since 2 + 3 + 1 + 213 + 0 + 2 + 402 + 43 = 666.

It is not a de Polignac number, because 2312130240243 - 2² = 2312130240239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312130240943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128451680005 + ... + 128451680022.

Almost surely, 2^{2312130240243} is an apocalyptic number.

2312130240243 is a deficient number, since it is larger than the sum of its proper divisors (1027613440121).

2312130240243 is a wasteful number, since it uses less digits than its factorization.

2312130240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256903360033 (or 256903360030 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2312130240243 its reverse (3420420312132), we get a palindrome (5732550552375).

The spelling of 2312130240243 in words is "two trillion, three hundred twelve billion, one hundred thirty million, two hundred forty thousand, two hundred forty-three".