1131302197 has 2 divisors, whose sum is σ = 1131302198. Its totient is φ = 1131302196.

The previous prime is 1131302191. The next prime is 1131302203. The reversal of 1131302197 is 7912031311.

It is a balanced prime because it is at equal distance from previous prime (1131302191) and next prime (1131302203).

It can be written as a sum of positive squares in only one way, i.e., 1120843441 + 10458756 = 33479^2 + 3234^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131302197 - 2²⁷ = 997084469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131302191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565651098 + 565651099.

It is an arithmetic number, because the mean of its divisors is an integer number (565651099).

Almost surely, 2^1131302197 is an apocalyptic number.

It is an amenable number.

1131302197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131302197 is an equidigital number, since it uses as much as digits as its factorization.

1131302197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1131302197 is about 33634.8360632247. The cubic root of 1131302197 is about 1041.9803848710.

The spelling of 1131302197 in words is "one billion, one hundred thirty-one million, three hundred two thousand, one hundred ninety-seven".