1330110191 has 2 divisors, whose sum is σ = 1330110192. Its totient is φ = 1330110190.

The previous prime is 1330110163. The next prime is 1330110239. The reversal of 1330110191 is 1910110331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1330110191 - 2²² = 1325915887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665055095 + 665055096.

It is an arithmetic number, because the mean of its divisors is an integer number (665055096).

Almost surely, 2^1330110191 is an apocalyptic number.

1330110191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330110191 is an equidigital number, since it uses as much as digits as its factorization.

1330110191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The square root of 1330110191 is about 36470.6757683485. The cubic root of 1330110191 is about 1099.7548189089.

The spelling of 1330110191 in words is "one billion, three hundred thirty million, one hundred ten thousand, one hundred ninety-one".