31133110313297 has 2 divisors, whose sum is σ = 31133110313298. Its totient is φ = 31133110313296.

The previous prime is 31133110313273. The next prime is 31133110313329. The reversal of 31133110313297 is 79231301133113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18415049708176 + 12718060605121 = 4291276^2 + 3566239^2 .

It is a cyclic number.

It is not a de Polignac number, because 31133110313297 - 2¹⁴ = 31133110296913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31133110313297.

It is not a weakly prime, because it can be changed into another prime (31133110313267) 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, 15566555156648 + 15566555156649.

It is an arithmetic number, because the mean of its divisors is an integer number (15566555156649).

Almost surely, 2^{31133110313297} is an apocalyptic number.

It is an amenable number.

31133110313297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31133110313297 is an equidigital number, since it uses as much as digits as its factorization.

31133110313297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 38.

The spelling of 31133110313297 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred ten million, three hundred thirteen thousand, two hundred ninety-seven".