331100213 has 8 divisors (see below), whose sum is σ = 349091520. Its totient is φ = 313165440.

The previous prime is 331100173. The next prime is 331100227. The reversal of 331100213 is 312001133.

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 331100213 - 2⁶ = 331100149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331100513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820 + ... + 25797.

It is an arithmetic number, because the mean of its divisors is an integer number (43636440).

Almost surely, 2^331100213 is an apocalyptic number.

It is an amenable number.

331100213 is a deficient number, since it is larger than the sum of its proper divisors (17991307).

331100213 is a wasteful number, since it uses less digits than its factorization.

331100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28267.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 331100213 is about 18196.1592925540. The cubic root of 331100213 is about 691.8094445915.

Adding to 331100213 its reverse (312001133), we get a palindrome (643101346).

The spelling of 331100213 in words is "three hundred thirty-one million, one hundred thousand, two hundred thirteen".