213002231 has 8 divisors (see below), whose sum is σ = 242880624. Its totient is φ = 185051520.

The previous prime is 213002221. The next prime is 213002267. The reversal of 213002231 is 132200312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213002231 - 2²² = 208807927 is a prime.

It is a super-2 number, since 2×213002231² = 90739900821954722, 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 (213002221) 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, 481685 + ... + 482126.

It is an arithmetic number, because the mean of its divisors is an integer number (30360078).

Almost surely, 2^213002231 is an apocalyptic number.

213002231 is a deficient number, since it is larger than the sum of its proper divisors (29878393).

213002231 is a wasteful number, since it uses less digits than its factorization.

213002231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963841.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 213002231 is about 14594.5959519269. The cubic root of 213002231 is about 597.2113470675.

Adding to 213002231 its reverse (132200312), we get a palindrome (345202543).

The spelling of 213002231 in words is "two hundred thirteen million, two thousand, two hundred thirty-one".