1164434231 has 2 divisors, whose sum is σ = 1164434232. Its totient is φ = 1164434230.

The previous prime is 1164434197. The next prime is 1164434237. The reversal of 1164434231 is 1324344611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164434231 is a prime.

It is a super-2 number, since 2×1164434231² = 2711814156649122722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1164434194 and 1164434203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164434237) 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, 582217115 + 582217116.

It is an arithmetic number, because the mean of its divisors is an integer number (582217116).

Almost surely, 2^1164434231 is an apocalyptic number.

1164434231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164434231 is an equidigital number, since it uses as much as digits as its factorization.

1164434231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 1164434231 is about 34123.8073930797. The cubic root of 1164434231 is about 1052.0547010331.

Adding to 1164434231 its reverse (1324344611), we get a palindrome (2488778842).

The spelling of 1164434231 in words is "one billion, one hundred sixty-four million, four hundred thirty-four thousand, two hundred thirty-one".