2431234321 has 2 divisors, whose sum is σ = 2431234322. Its totient is φ = 2431234320.

The previous prime is 2431234291. The next prime is 2431234349. The reversal of 2431234321 is 1234321342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1718931600 + 712302721 = 41460^2 + 26689^2 .

It is a cyclic number.

It is not a de Polignac number, because 2431234321 - 2⁷ = 2431234193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2431214321) 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, 1215617160 + 1215617161.

It is an arithmetic number, because the mean of its divisors is an integer number (1215617161).

Almost surely, 2^2431234321 is an apocalyptic number.

It is an amenable number.

2431234321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431234321 is an equidigital number, since it uses as much as digits as its factorization.

2431234321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 2431234321 is about 49307.5483166624. The cubic root of 2431234321 is about 1344.6490188510.

Adding to 2431234321 its reverse (1234321342), we get a palindrome (3665555663).

The spelling of 2431234321 in words is "two billion, four hundred thirty-one million, two hundred thirty-four thousand, three hundred twenty-one".