31044031423 has 2 divisors, whose sum is σ = 31044031424. Its totient is φ = 31044031422.

The previous prime is 31044031411. The next prime is 31044031441. The reversal of 31044031423 is 32413044013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31044031423 - 2²⁹ = 30507160511 is a prime.

It is a super-2 number, since 2×31044031423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31044031453) 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, 15522015711 + 15522015712.

It is an arithmetic number, because the mean of its divisors is an integer number (15522015712).

Almost surely, 2^31044031423 is an apocalyptic number.

31044031423 is a deficient number, since it is larger than the sum of its proper divisors (1).

31044031423 is an equidigital number, since it uses as much as digits as its factorization.

31044031423 is an odious number, because the sum of its binary digits is odd.

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

Adding to 31044031423 its reverse (32413044013), we get a palindrome (63457075436).

The spelling of 31044031423 in words is "thirty-one billion, forty-four million, thirty-one thousand, four hundred twenty-three".