1130342231 has 2 divisors, whose sum is σ = 1130342232. Its totient is φ = 1130342230.

The previous prime is 1130342197. The next prime is 1130342233. The reversal of 1130342231 is 1322430311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130342231 is a prime.

It is a super-2 number, since 2×1130342231² = 2555347118364114722, which contains 22 as substring.

Together with 1130342233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130342233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565171115 + 565171116.

It is an arithmetic number, because the mean of its divisors is an integer number (565171116).

Almost surely, 2^1130342231 is an apocalyptic number.

1130342231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130342231 is an equidigital number, since it uses as much as digits as its factorization.

1130342231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1130342231 is about 33620.5626217052. The cubic root of 1130342231 is about 1041.6855774643.

Adding to 1130342231 its reverse (1322430311), we get a palindrome (2452772542).

The spelling of 1130342231 in words is "one billion, one hundred thirty million, three hundred forty-two thousand, two hundred thirty-one".