1143034231 has 2 divisors, whose sum is σ = 1143034232. Its totient is φ = 1143034230.

The previous prime is 1143034181. The next prime is 1143034237. The reversal of 1143034231 is 1324303411.

It is a strong prime.

It is an emirp because it is prime and its reverse (1324303411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1143034231 - 2⁷ = 1143034103 is a prime.

It is a super-2 number, since 2×1143034231² = 2613054506475522722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143034237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571517115 + 571517116.

It is an arithmetic number, because the mean of its divisors is an integer number (571517116).

Almost surely, 2^1143034231 is an apocalyptic number.

1143034231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143034231 is an equidigital number, since it uses as much as digits as its factorization.

1143034231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1143034231 is about 33808.7892566415. The cubic root of 1143034231 is about 1045.5699159981.

Adding to 1143034231 its reverse (1324303411), we get a palindrome (2467337642).

The spelling of 1143034231 in words is "one billion, one hundred forty-three million, thirty-four thousand, two hundred thirty-one".