31313200102297 has 2 divisors, whose sum is σ = 31313200102298. Its totient is φ = 31313200102296.

The previous prime is 31313200102273. The next prime is 31313200102361. The reversal of 31313200102297 is 79220100231313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27080897852761 + 4232302249536 = 5203931^2 + 2057256^2 .

It is an emirp because it is prime and its reverse (79220100231313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31313200102297 - 2¹⁹ = 31313199578009 is a prime.

It is not a weakly prime, because it can be changed into another prime (31313200102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656600051148 + 15656600051149.

It is an arithmetic number, because the mean of its divisors is an integer number (15656600051149).

Almost surely, 2^{31313200102297} is an apocalyptic number.

It is an amenable number.

31313200102297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31313200102297 is an equidigital number, since it uses as much as digits as its factorization.

31313200102297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 31313200102297 in words is "thirty-one trillion, three hundred thirteen billion, two hundred million, one hundred two thousand, two hundred ninety-seven".