1331250199 has 2 divisors, whose sum is σ = 1331250200. Its totient is φ = 1331250198.

The previous prime is 1331250187. The next prime is 1331250203. The reversal of 1331250199 is 9910521331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1331250199 - 2¹¹ = 1331248151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331250139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665625099 + 665625100.

It is an arithmetic number, because the mean of its divisors is an integer number (665625100).

Almost surely, 2^1331250199 is an apocalyptic number.

1331250199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331250199 is an equidigital number, since it uses as much as digits as its factorization.

1331250199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 1331250199 is about 36486.3015253670. The cubic root of 1331250199 is about 1100.0689210260.

The spelling of 1331250199 in words is "one billion, three hundred thirty-one million, two hundred fifty thousand, one hundred ninety-nine".