31144203023 has 2 divisors, whose sum is σ = 31144203024. Its totient is φ = 31144203022.

The previous prime is 31144203011. The next prime is 31144203089. The reversal of 31144203023 is 32030244113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31144203023 - 2⁶ = 31144202959 is a prime.

It is a super-2 number, since 2×31144203023² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31144203023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31144203323) 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, 15572101511 + 15572101512.

It is an arithmetic number, because the mean of its divisors is an integer number (15572101512).

Almost surely, 2^31144203023 is an apocalyptic number.

31144203023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31144203023 is an equidigital number, since it uses as much as digits as its factorization.

31144203023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31144203023 its reverse (32030244113), we get a palindrome (63174447136).

The spelling of 31144203023 in words is "thirty-one billion, one hundred forty-four million, two hundred three thousand, twenty-three".