1131030193 has 2 divisors, whose sum is σ = 1131030194. Its totient is φ = 1131030192.

The previous prime is 1131030181. The next prime is 1131030209. The reversal of 1131030193 is 3910301311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792028449 + 339001744 = 28143^2 + 18412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131030193 - 2⁹ = 1131029681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131030163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565515096 + 565515097.

It is an arithmetic number, because the mean of its divisors is an integer number (565515097).

Almost surely, 2^1131030193 is an apocalyptic number.

It is an amenable number.

1131030193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131030193 is an equidigital number, since it uses as much as digits as its factorization.

1131030193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 22.

The square root of 1131030193 is about 33630.7923338122. The cubic root of 1131030193 is about 1041.8968688570.

The spelling of 1131030193 in words is "one billion, one hundred thirty-one million, thirty thousand, one hundred ninety-three".