1133453213 has 4 divisors (see below), whose sum is σ = 1137321948. Its totient is φ = 1129584480.

The previous prime is 1133453207. The next prime is 1133453219. The reversal of 1133453213 is 3123543311.

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

It is an interprime number because it is at equal distance from previous prime (1133453207) and next prime (1133453219).

It can be written as a sum of positive squares in 2 ways, for example, as 835614649 + 297838564 = 28907^2 + 17258^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133453213 - 2⁶ = 1133453149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133453219) 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, 1933928 + ... + 1934513.

It is an arithmetic number, because the mean of its divisors is an integer number (284330487).

Almost surely, 2^1133453213 is an apocalyptic number.

It is an amenable number.

1133453213 is a deficient number, since it is larger than the sum of its proper divisors (3868735).

1133453213 is an equidigital number, since it uses as much as digits as its factorization.

1133453213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3868734.

The product of its digits is 3240, while the sum is 26.

The square root of 1133453213 is about 33666.7968924874. The cubic root of 1133453213 is about 1042.6403610370.

Adding to 1133453213 its reverse (3123543311), we get a palindrome (4256996524).

The spelling of 1133453213 in words is "one billion, one hundred thirty-three million, four hundred fifty-three thousand, two hundred thirteen".