213332193 has 12 divisors (see below), whose sum is σ = 308543508. Its totient is φ = 142038240.

The previous prime is 213332191. The next prime is 213332227. The reversal of 213332193 is 391233312.

213332193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151363809 + 61968384 = 12303^2 + 7872^2 .

It is not a de Polignac number, because 213332193 - 2¹ = 213332191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213332191) 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, 7698 + ... + 22043.

It is an arithmetic number, because the mean of its divisors is an integer number (25711959).

Almost surely, 2^213332193 is an apocalyptic number.

It is an amenable number.

213332193 is a deficient number, since it is larger than the sum of its proper divisors (95211315).

213332193 is a wasteful number, since it uses less digits than its factorization.

213332193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30544 (or 30541 counting only the distinct ones).

The product of its digits is 2916, while the sum is 27.

The square root of 213332193 is about 14605.8958301092. The cubic root of 213332193 is about 597.5195682276.

The spelling of 213332193 in words is "two hundred thirteen million, three hundred thirty-two thousand, one hundred ninety-three".