1132312213 has 2 divisors, whose sum is σ = 1132312214. Its totient is φ = 1132312212.

The previous prime is 1132312171. The next prime is 1132312229. The reversal of 1132312213 is 3122132311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1079648164 + 52664049 = 32858^2 + 7257^2 .

It is an emirp because it is prime and its reverse (3122132311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1132312213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1132312253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566156106 + 566156107.

It is an arithmetic number, because the mean of its divisors is an integer number (566156107).

Almost surely, 2^1132312213 is an apocalyptic number.

It is an amenable number.

1132312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1132312213 is an equidigital number, since it uses as much as digits as its factorization.

1132312213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1132312213 is about 33649.8471467554. The cubic root of 1132312213 is about 1042.2903827426.

Adding to 1132312213 its reverse (3122132311), we get a palindrome (4254444524).

The spelling of 1132312213 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, two hundred thirteen".