31302332302097 has 2 divisors, whose sum is σ = 31302332302098. Its totient is φ = 31302332302096.

The previous prime is 31302332302091. The next prime is 31302332302141. The reversal of 31302332302097 is 79020323320313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20809371469441 + 10492960832656 = 4561729^2 + 3239284^2 .

It is an emirp because it is prime and its reverse (79020323320313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31302332302097 - 2⁴ = 31302332302081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31302332302097.

It is not a weakly prime, because it can be changed into another prime (31302332302091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651166151048 + 15651166151049.

It is an arithmetic number, because the mean of its divisors is an integer number (15651166151049).

Almost surely, 2^{31302332302097} is an apocalyptic number.

It is an amenable number.

31302332302097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302332302097 is an equidigital number, since it uses as much as digits as its factorization.

31302332302097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 38.

The spelling of 31302332302097 in words is "thirty-one trillion, three hundred two billion, three hundred thirty-two million, three hundred two thousand, ninety-seven".