2131110193 has 2 divisors, whose sum is σ = 2131110194. Its totient is φ = 2131110192.

The previous prime is 2131110187. The next prime is 2131110209. The reversal of 2131110193 is 3910111312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1104099984 + 1027010209 = 33228^2 + 32047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2131110193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131110133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065555096 + 1065555097.

It is an arithmetic number, because the mean of its divisors is an integer number (1065555097).

Almost surely, 2^2131110193 is an apocalyptic number.

It is an amenable number.

2131110193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131110193 is an equidigital number, since it uses as much as digits as its factorization.

2131110193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 2131110193 is about 46163.9490620116. The cubic root of 2131110193 is about 1286.8718535541.

The spelling of 2131110193 in words is "two billion, one hundred thirty-one million, one hundred ten thousand, one hundred ninety-three".