1132213081 has 2 divisors, whose sum is σ = 1132213082. Its totient is φ = 1132213080.

The previous prime is 1132213067. The next prime is 1132213153. The reversal of 1132213081 is 1803122311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983763225 + 148449856 = 31365^2 + 12184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1132213081 - 2⁷ = 1132212953 is a prime.

It is a super-2 number, since 2×1132213081² = 2563812921575025122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1132213051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566106540 + 566106541.

It is an arithmetic number, because the mean of its divisors is an integer number (566106541).

Almost surely, 2^1132213081 is an apocalyptic number.

It is an amenable number.

1132213081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132213081 is an equidigital number, since it uses as much as digits as its factorization.

1132213081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1132213081 is about 33648.3741211964. The cubic root of 1132213081 is about 1042.2599649408.

Adding to 1132213081 its reverse (1803122311), we get a palindrome (2935335392).

The spelling of 1132213081 in words is "one billion, one hundred thirty-two million, two hundred thirteen thousand, eighty-one".