816324474622031 has 2 divisors, whose sum is σ = 816324474622032. Its totient is φ = 816324474622030.

The previous prime is 816324474621991. The next prime is 816324474622051. The reversal of 816324474622031 is 130226474423618.

816324474622031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 816324474622031 - 2²² = 816324470427727 is a prime.

It is a super-2 number, since 2×816324474622031² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (816324474622051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 408162237311015 + 408162237311016.

It is an arithmetic number, because the mean of its divisors is an integer number (408162237311016).

Almost surely, 2^{816324474622031} is an apocalyptic number.

816324474622031 is a deficient number, since it is larger than the sum of its proper divisors (1).

816324474622031 is an equidigital number, since it uses as much as digits as its factorization.

816324474622031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9289728, while the sum is 53.

The spelling of 816324474622031 in words is "eight hundred sixteen trillion, three hundred twenty-four billion, four hundred seventy-four million, six hundred twenty-two thousand, thirty-one".