1133212331 has 2 divisors, whose sum is σ = 1133212332. Its totient is φ = 1133212330.

The previous prime is 1133212321. The next prime is 1133212391. The reversal of 1133212331 is 1332123311.

It is a weak prime.

It is an emirp because it is prime and its reverse (1332123311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133212331 - 2¹⁸ = 1132950187 is a prime.

It is a super-2 number, since 2×1133212331² = 2568340374260907122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1133212321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566606165 + 566606166.

It is an arithmetic number, because the mean of its divisors is an integer number (566606166).

Almost surely, 2^1133212331 is an apocalyptic number.

1133212331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133212331 is an equidigital number, since it uses as much as digits as its factorization.

1133212331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 1133212331 is about 33663.2192607897. The cubic root of 1133212331 is about 1042.5664950004.

Adding to 1133212331 its reverse (1332123311), we get a palindrome (2465335642).

The spelling of 1133212331 in words is "one billion, one hundred thirty-three million, two hundred twelve thousand, three hundred thirty-one".