2431144139 has 2 divisors, whose sum is σ = 2431144140. Its totient is φ = 2431144138.

The previous prime is 2431144127. The next prime is 2431144141. The reversal of 2431144139 is 9314411342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2431144139 - 2²⁸ = 2162708683 is a prime.

Together with 2431144141, 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 (2431143139) 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, 1215572069 + 1215572070.

It is an arithmetic number, because the mean of its divisors is an integer number (1215572070).

Almost surely, 2^2431144139 is an apocalyptic number.

2431144139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2431144139 is an equidigital number, since it uses as much as digits as its factorization.

2431144139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 2431144139 is about 49306.6338234522. The cubic root of 2431144139 is about 1344.6323929152.

The spelling of 2431144139 in words is "two billion, four hundred thirty-one million, one hundred forty-four thousand, one hundred thirty-nine".