1183799231 has 2 divisors, whose sum is σ = 1183799232. Its totient is φ = 1183799230.

The previous prime is 1183799209. The next prime is 1183799251. The reversal of 1183799231 is 1329973811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1183799231 is a prime.

It is a super-2 number, since 2×1183799231² = 2802761238632382722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1183799251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591899615 + 591899616.

It is an arithmetic number, because the mean of its divisors is an integer number (591899616).

Almost surely, 2^1183799231 is an apocalyptic number.

1183799231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1183799231 is an equidigital number, since it uses as much as digits as its factorization.

1183799231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 44.

The square root of 1183799231 is about 34406.3835792139. The cubic root of 1183799231 is about 1057.8546948650.

The spelling of 1183799231 in words is "one billion, one hundred eighty-three million, seven hundred ninety-nine thousand, two hundred thirty-one".