31102122202097 has 2 divisors, whose sum is σ = 31102122202098. Its totient is φ = 31102122202096.

The previous prime is 31102122202093. The next prime is 31102122202183. The reversal of 31102122202097 is 79020222120113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24087246831376 + 7014875370721 = 4907876^2 + 2648561^2 .

It is a cyclic number.

It is not a de Polignac number, because 31102122202097 - 2² = 31102122202093 is a prime.

It is a super-2 number, since 2×31102122202097² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31102122202093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551061101048 + 15551061101049.

It is an arithmetic number, because the mean of its divisors is an integer number (15551061101049).

Almost surely, 2^{31102122202097} is an apocalyptic number.

It is an amenable number.

31102122202097 is a deficient number, since it is larger than the sum of its proper divisors (1).

31102122202097 is an equidigital number, since it uses as much as digits as its factorization.

31102122202097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 31102122202097 in words is "thirty-one trillion, one hundred two billion, one hundred twenty-two million, two hundred two thousand, ninety-seven".