201130031189 has 2 divisors, whose sum is σ = 201130031190. Its totient is φ = 201130031188.

The previous prime is 201130031183. The next prime is 201130031237. The reversal of 201130031189 is 981130031102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169077216100 + 32052815089 = 411190^2 + 179033^2 .

It is a cyclic number.

It is not a de Polignac number, because 201130031189 - 2²⁸ = 200861595733 is a prime.

It is a super-2 number, since 2×201130031189² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201130031183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100565015594 + 100565015595.

It is an arithmetic number, because the mean of its divisors is an integer number (100565015595).

Almost surely, 2^201130031189 is an apocalyptic number.

It is an amenable number.

201130031189 is a deficient number, since it is larger than the sum of its proper divisors (1).

201130031189 is an equidigital number, since it uses as much as digits as its factorization.

201130031189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 201130031189 in words is "two hundred one billion, one hundred thirty million, thirty-one thousand, one hundred eighty-nine".