1134243231 has 24 divisors (see below), whose sum is σ = 1678819632. Its totient is φ = 680592000.

The previous prime is 1134243193. The next prime is 1134243239. The reversal of 1134243231 is 1323424311.

It is a happy number.

It is not a de Polignac number, because 1134243231 - 2⁶ = 1134243167 is a prime.

It is a super-2 number, since 2×1134243231² = 2573015414138638722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134243239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21195 + ... + 52131.

It is an arithmetic number, because the mean of its divisors is an integer number (69950818).

Almost surely, 2^1134243231 is an apocalyptic number.

1134243231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1134243231 is a deficient number, since it is larger than the sum of its proper divisors (544576401).

1134243231 is a wasteful number, since it uses less digits than its factorization.

1134243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31063 (or 31052 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 1134243231 is about 33678.5277439499. The cubic root of 1134243231 is about 1042.8825452292.

Adding to 1134243231 its reverse (1323424311), we get a palindrome (2457667542).

The spelling of 1134243231 in words is "one billion, one hundred thirty-four million, two hundred forty-three thousand, two hundred thirty-one".