2431423391 has 2 divisors, whose sum is σ = 2431423392. Its totient is φ = 2431423390.

The previous prime is 2431423387. The next prime is 2431423441. The reversal of 2431423391 is 1933241342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2431423391 - 2² = 2431423387 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2431423991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1215711695 + 1215711696.

It is an arithmetic number, because the mean of its divisors is an integer number (1215711696).

Almost surely, 2^2431423391 is an apocalyptic number.

2431423391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431423391 is an equidigital number, since it uses as much as digits as its factorization.

2431423391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 2431423391 is about 49309.4655314778. The cubic root of 2431423391 is about 1344.6838744245.

The spelling of 2431423391 in words is "two billion, four hundred thirty-one million, four hundred twenty-three thousand, three hundred ninety-one".