2231542231 has 2 divisors, whose sum is σ = 2231542232. Its totient is φ = 2231542230.

The previous prime is 2231542211. The next prime is 2231542237. The reversal of 2231542231 is 1322451322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231542231 - 2¹⁵ = 2231509463 is a prime.

It is a super-3 number, since 3×2231542231³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231542196 and 2231542205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231542237) 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 as a sum of consecutive naturals, namely, 1115771115 + 1115771116.

It is an arithmetic number, because the mean of its divisors is an integer number (1115771116).

Almost surely, 2^2231542231 is an apocalyptic number.

2231542231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231542231 is an equidigital number, since it uses as much as digits as its factorization.

2231542231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 2231542231 is about 47239.2022688783. The cubic root of 2231542231 is about 1306.7776659387. Note that the first 3 decimals are identical.

Adding to 2231542231 its reverse (1322451322), we get a palindrome (3553993553).

Subtracting from 2231542231 its reverse (1322451322), we obtain a palindrome (909090909).

It can be divided in two parts, 22315 and 42231, that added together give a palindrome (64546).

The spelling of 2231542231 in words is "two billion, two hundred thirty-one million, five hundred forty-two thousand, two hundred thirty-one".