1134212231 has 4 divisors (see below), whose sum is σ = 1134570864. Its totient is φ = 1133853600.

The previous prime is 1134212227. The next prime is 1134212249. The reversal of 1134212231 is 1322124311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1134212231 - 2² = 1134212227 is a prime.

It is a super-2 number, since 2×1134212231² = 2572874769899994722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134212281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174530 + ... + 180911.

It is an arithmetic number, because the mean of its divisors is an integer number (283642716).

Almost surely, 2^1134212231 is an apocalyptic number.

1134212231 is a deficient number, since it is larger than the sum of its proper divisors (358633).

1134212231 is an equidigital number, since it uses as much as digits as its factorization.

1134212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358632.

The product of its digits is 288, while the sum is 20.

The square root of 1134212231 is about 33678.0675069102. The cubic root of 1134212231 is about 1042.8730441356.

Adding to 1134212231 its reverse (1322124311), we get a palindrome (2456336542).

The spelling of 1134212231 in words is "one billion, one hundred thirty-four million, two hundred twelve thousand, two hundred thirty-one".