2231541539 has 2 divisors, whose sum is σ = 2231541540. Its totient is φ = 2231541538.

The previous prime is 2231541493. The next prime is 2231541547. The reversal of 2231541539 is 9351451322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231541539 - 2⁸ = 2231541283 is a prime.

It is a super-3 number, since 3×2231541539³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231541499 and 2231541508.

It is not a weakly prime, because it can be changed into another prime (2231541139) 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, 1115770769 + 1115770770.

It is an arithmetic number, because the mean of its divisors is an integer number (1115770770).

Almost surely, 2^2231541539 is an apocalyptic number.

2231541539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231541539 is an equidigital number, since it uses as much as digits as its factorization.

2231541539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 35.

The square root of 2231541539 is about 47239.1949444526. The cubic root of 2231541539 is about 1306.7775308617. Note that the first 3 decimals are identical.

The spelling of 2231541539 in words is "two billion, two hundred thirty-one million, five hundred forty-one thousand, five hundred thirty-nine".