1113420213 has 12 divisors (see below), whose sum is σ = 1615299660. Its totient is φ = 739037376.

The previous prime is 1113420181. The next prime is 1113420227. The reversal of 1113420213 is 3120243111.

1113420213 is a `hidden beast` number, since 111 + 342 + 0 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 619113924 + 494306289 = 24882^2 + 22233^2 .

It is not a de Polignac number, because 1113420213 - 2⁵ = 1113420181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113420713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268056 + ... + 272177.

It is an arithmetic number, because the mean of its divisors is an integer number (134608305).

Almost surely, 2^1113420213 is an apocalyptic number.

It is an amenable number.

1113420213 is a deficient number, since it is larger than the sum of its proper divisors (501879447).

1113420213 is a wasteful number, since it uses less digits than its factorization.

1113420213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540468 (or 540465 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1113420213 is about 33367.9518850049. The cubic root of 1113420213 is about 1036.4611638408.

Adding to 1113420213 its reverse (3120243111), we get a palindrome (4233663324).

The spelling of 1113420213 in words is "one billion, one hundred thirteen million, four hundred twenty thousand, two hundred thirteen".