31110033230197 has 2 divisors, whose sum is σ = 31110033230198. Its totient is φ = 31110033230196.

The previous prime is 31110033230113. The next prime is 31110033230347. The reversal of 31110033230197 is 79103233001113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20588307304356 + 10521725925841 = 4537434^2 + 3243721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31110033230197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31110033237197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555016615098 + 15555016615099.

It is an arithmetic number, because the mean of its divisors is an integer number (15555016615099).

Almost surely, 2^{31110033230197} is an apocalyptic number.

It is an amenable number.

31110033230197 is a deficient number, since it is larger than the sum of its proper divisors (1).

31110033230197 is an equidigital number, since it uses as much as digits as its factorization.

31110033230197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The spelling of 31110033230197 in words is "thirty-one trillion, one hundred ten billion, thirty-three million, two hundred thirty thousand, one hundred ninety-seven".