213113330 has 16 divisors (see below), whose sum is σ = 383998104. Its totient is φ = 85157760.

The previous prime is 213113317. The next prime is 213113339. The reversal of 213113330 is 33311312.

It can be written as a sum of positive squares in 4 ways, for example, as 161976529 + 51136801 = 12727^2 + 7151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213113299 and 213113308.

It is not an unprimeable number, because it can be changed into a prime (213113339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 20646.

Almost surely, 2^213113330 is an apocalyptic number.

213113330 is a deficient number, since it is larger than the sum of its proper divisors (170884774).

213113330 is a wasteful number, since it uses less digits than its factorization.

213113330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21901.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 213113330 is about 14598.4016248355. The cubic root of 213113330 is about 597.3151613966.

Adding to 213113330 its reverse (33311312), we get a palindrome (246424642).

The spelling of 213113330 in words is "two hundred thirteen million, one hundred thirteen thousand, three hundred thirty".