213133130 has 16 divisors (see below), whose sum is σ = 438445440. Its totient is φ = 73074192.

The previous prime is 213133117. The next prime is 213133147. The reversal of 213133130 is 31331312.

It is a super-2 number, since 2×213133130² = 90851462207193800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213133099 and 213133108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522310 + ... + 1522449.

It is an arithmetic number, because the mean of its divisors is an integer number (27402840).

Almost surely, 2^213133130 is an apocalyptic number.

213133130 is an abundant number, since it is smaller than the sum of its proper divisors (225312310).

213133130 is a wasteful number, since it uses less digits than its factorization.

213133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044773.

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

The square root of 213133130 is about 14599.0797655195. The cubic root of 213133130 is about 597.3336593384. Note that the first 3 decimals are identical.

Adding to 213133130 its reverse (31331312), we get a palindrome (244464442).

The spelling of 213133130 in words is "two hundred thirteen million, one hundred thirty-three thousand, one hundred thirty".