2144319731 has 2 divisors, whose sum is σ = 2144319732. Its totient is φ = 2144319730.

The previous prime is 2144319713. The next prime is 2144319773. The reversal of 2144319731 is 1379134412.

Together with previous prime (2144319713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2144319731 - 2²⁶ = 2077210867 is a prime.

It is a super-2 number, since 2×2144319731² = 9196214217511824722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144319691 and 2144319700.

It is not a weakly prime, because it can be changed into another prime (2144316731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072159865 + 1072159866.

It is an arithmetic number, because the mean of its divisors is an integer number (1072159866).

Almost surely, 2^2144319731 is an apocalyptic number.

2144319731 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144319731 is an equidigital number, since it uses as much as digits as its factorization.

2144319731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 35.

The square root of 2144319731 is about 46306.8000513963. The cubic root of 2144319731 is about 1289.5252406351.

The spelling of 2144319731 in words is "two billion, one hundred forty-four million, three hundred nineteen thousand, seven hundred thirty-one".