31232322232919 has 2 divisors, whose sum is σ = 31232322232920. Its totient is φ = 31232322232918.

The previous prime is 31232322232841. The next prime is 31232322233051. The reversal of 31232322232919 is 91923222323213.

It is a weak prime.

It is an emirp because it is prime and its reverse (91923222323213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31232322232919 - 2²⁸ = 31232053797463 is a prime.

It is a super-2 number, since 2×31232322232919² (a number of 28 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 31232322232919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31232322232819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616161116459 + 15616161116460.

It is an arithmetic number, because the mean of its divisors is an integer number (15616161116460).

Almost surely, 2^{31232322232919} is an apocalyptic number.

31232322232919 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232322232919 is an equidigital number, since it uses as much as digits as its factorization.

31232322232919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 44.

The spelling of 31232322232919 in words is "thirty-one trillion, two hundred thirty-two billion, three hundred twenty-two million, two hundred thirty-two thousand, nine hundred nineteen".