1113303213 has 36 divisors (see below), whose sum is σ = 1801030140. Its totient is φ = 661964160.

The previous prime is 1113303211. The next prime is 1113303223. The reversal of 1113303213 is 3123033111.

It is a happy number.

1113303213 is a `hidden beast` number, since 1 + 11 + 330 + 321 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 788654889 + 324648324 = 28083^2 + 18018^2 .

It is not a de Polignac number, because 1113303213 - 2¹ = 1113303211 is a prime.

It is a super-2 number, since 2×1113303213² = 2478888088152246738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113303211) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 48073 + ... + 67361.

It is an arithmetic number, because the mean of its divisors is an integer number (50028615).

Almost surely, 2^1113303213 is an apocalyptic number.

It is an amenable number.

1113303213 is a deficient number, since it is larger than the sum of its proper divisors (687726927).

1113303213 is a wasteful number, since it uses less digits than its factorization.

1113303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370 (or 19356 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1113303213 is about 33366.1986597215. The cubic root of 1113303213 is about 1036.4248582296.

Adding to 1113303213 its reverse (3123033111), we get a palindrome (4236336324).

The spelling of 1113303213 in words is "one billion, one hundred thirteen million, three hundred three thousand, two hundred thirteen".