1103533213 has 2 divisors, whose sum is σ = 1103533214. Its totient is φ = 1103533212.

The previous prime is 1103533157. The next prime is 1103533229. The reversal of 1103533213 is 3123353011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778019449 + 325513764 = 27893^2 + 18042^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103533213 - 2⁹ = 1103532701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103533273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551766606 + 551766607.

It is an arithmetic number, because the mean of its divisors is an integer number (551766607).

Almost surely, 2^1103533213 is an apocalyptic number.

It is an amenable number.

1103533213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103533213 is an equidigital number, since it uses as much as digits as its factorization.

1103533213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 1103533213 is about 33219.4703901191. The cubic root of 1103533213 is about 1033.3841662009.

Adding to 1103533213 its reverse (3123353011), we get a palindrome (4226886224).

The spelling of 1103533213 in words is "one billion, one hundred three million, five hundred thirty-three thousand, two hundred thirteen".