2231321459 has 2 divisors, whose sum is σ = 2231321460. Its totient is φ = 2231321458.

The previous prime is 2231321419. The next prime is 2231321461. The reversal of 2231321459 is 9541231322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231321459 - 2⁸ = 2231321203 is a prime.

It is a super-3 number, since 3×2231321459³ (a number of 29 digits) contains 333 as substring.

Together with 2231321461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2231321419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115660729 + 1115660730.

It is an arithmetic number, because the mean of its divisors is an integer number (1115660730).

Almost surely, 2^2231321459 is an apocalyptic number.

2231321459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231321459 is an equidigital number, since it uses as much as digits as its factorization.

2231321459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 2231321459 is about 47236.8654654392. The cubic root of 2231321459 is about 1306.7345702671.

The spelling of 2231321459 in words is "two billion, two hundred thirty-one million, three hundred twenty-one thousand, four hundred fifty-nine".