13231034197 has 2 divisors, whose sum is σ = 13231034198. Its totient is φ = 13231034196.

The previous prime is 13231034189. The next prime is 13231034209. The reversal of 13231034197 is 79143013231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11319683236 + 1911350961 = 106394^2 + 43719^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231034197 - 2³ = 13231034189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13231034147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615517098 + 6615517099.

It is an arithmetic number, because the mean of its divisors is an integer number (6615517099).

Almost surely, 2^13231034197 is an apocalyptic number.

It is an amenable number.

13231034197 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231034197 is an equidigital number, since it uses as much as digits as its factorization.

13231034197 is an evil number, because the sum of its binary digits is even.

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

The spelling of 13231034197 in words is "thirteen billion, two hundred thirty-one million, thirty-four thousand, one hundred ninety-seven".