1162534231 has 2 divisors, whose sum is σ = 1162534232. Its totient is φ = 1162534230.

The previous prime is 1162534229. The next prime is 1162534249. The reversal of 1162534231 is 1324352611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162534231 - 2¹ = 1162534229 is a prime.

It is a super-2 number, since 2×1162534231² = 2702971676493522722, which contains 22 as substring.

Together with 1162534229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1162534231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162534201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581267115 + 581267116.

It is an arithmetic number, because the mean of its divisors is an integer number (581267116).

Almost surely, 2^1162534231 is an apocalyptic number.

1162534231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162534231 is an equidigital number, since it uses as much as digits as its factorization.

1162534231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 1162534231 is about 34095.9562265087. The cubic root of 1162534231 is about 1051.4821791837.

Adding to 1162534231 its reverse (1324352611), we get a palindrome (2486886842).

The spelling of 1162534231 in words is "one billion, one hundred sixty-two million, five hundred thirty-four thousand, two hundred thirty-one".