2144231431 has 2 divisors, whose sum is σ = 2144231432. Its totient is φ = 2144231430.

The previous prime is 2144231423. The next prime is 2144231447. The reversal of 2144231431 is 1341324412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144231431 - 2³ = 2144231423 is a prime.

It is a super-2 number, since 2×2144231431² = 9195456859376615522, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 2144231396 and 2144231405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144201431) 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, 1072115715 + 1072115716.

It is an arithmetic number, because the mean of its divisors is an integer number (1072115716).

Almost surely, 2^2144231431 is an apocalyptic number.

2144231431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144231431 is an equidigital number, since it uses as much as digits as its factorization.

2144231431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 25.

The square root of 2144231431 is about 46305.8466178948. The cubic root of 2144231431 is about 1289.5075401277.

Adding to 2144231431 its reverse (1341324412), we get a palindrome (3485555843).

The spelling of 2144231431 in words is "two billion, one hundred forty-four million, two hundred thirty-one thousand, four hundred thirty-one".