213350243 has 6 divisors (see below), whose sum is σ = 216402612. Its totient is φ = 210340340.

The previous prime is 213350233. The next prime is 213350257. The reversal of 213350243 is 342053312.

It is not a de Polignac number, because 213350243 - 2⁸ = 213349987 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (213350233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16121 + ... + 26202.

It is an arithmetic number, because the mean of its divisors is an integer number (36067102).

Almost surely, 2^213350243 is an apocalyptic number.

213350243 is a deficient number, since it is larger than the sum of its proper divisors (3052369).

213350243 is an frugal number, since it uses more digits than its factorization.

213350243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42465 (or 42394 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 213350243 is about 14606.5137182012. The cubic root of 213350243 is about 597.5364197614.

The spelling of 213350243 in words is "two hundred thirteen million, three hundred fifty thousand, two hundred forty-three".