131230193201 has 2 divisors, whose sum is σ = 131230193202. Its totient is φ = 131230193200.

The previous prime is 131230193183. The next prime is 131230193203. The reversal of 131230193201 is 102391032131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129743319601 + 1486873600 = 360199^2 + 38560^2 .

It is a cyclic number.

It is not a de Polignac number, because 131230193201 - 2¹⁸ = 131229931057 is a prime.

Together with 131230193203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131230193203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65615096600 + 65615096601.

It is an arithmetic number, because the mean of its divisors is an integer number (65615096601).

Almost surely, 2^131230193201 is an apocalyptic number.

It is an amenable number.

131230193201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131230193201 is an equidigital number, since it uses as much as digits as its factorization.

131230193201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 131230193201 in words is "one hundred thirty-one billion, two hundred thirty million, one hundred ninety-three thousand, two hundred one".