213050231 has 4 divisors (see below), whose sum is σ = 213102432. Its totient is φ = 212998032.

The previous prime is 213050179. The next prime is 213050237. The reversal of 213050231 is 132050312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213050231 is a prime.

It is a super-2 number, since 2×213050231² = 90780801858306722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213050237) 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 3 ways as a sum of consecutive naturals, for example, 19406 + ... + 28331.

It is an arithmetic number, because the mean of its divisors is an integer number (53275608).

Almost surely, 2^213050231 is an apocalyptic number.

213050231 is a deficient number, since it is larger than the sum of its proper divisors (52201).

213050231 is an equidigital number, since it uses as much as digits as its factorization.

213050231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52200.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 213050231 is about 14596.2403035850. The cubic root of 213050231 is about 597.2562041745.

The spelling of 213050231 in words is "two hundred thirteen million, fifty thousand, two hundred thirty-one".