2231340434231 has 2 divisors, whose sum is σ = 2231340434232. Its totient is φ = 2231340434230.

The previous prime is 2231340434153. The next prime is 2231340434249. The reversal of 2231340434231 is 1324340431322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231340434231 - 2³⁴ = 2214160565047 is a prime.

It is a super-3 number, since 3×2231340434231³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231340434291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115670217115 + 1115670217116.

It is an arithmetic number, because the mean of its divisors is an integer number (1115670217116).

Almost surely, 2^{2231340434231} is an apocalyptic number.

2231340434231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231340434231 is an equidigital number, since it uses as much as digits as its factorization.

2231340434231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 2231340434231 its reverse (1324340431322), we get a palindrome (3555680865553).

The spelling of 2231340434231 in words is "two trillion, two hundred thirty-one billion, three hundred forty million, four hundred thirty-four thousand, two hundred thirty-one".