211231100213 has 8 divisors (see below), whose sum is σ = 254112601920. Its totient is φ = 171526006080.

The previous prime is 211231100209. The next prime is 211231100219. The reversal of 211231100213 is 312001132112.

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 211231100213 - 2² = 211231100209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211231100191 and 211231100200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211231100219) 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, 794101748 + ... + 794102013.

It is an arithmetic number, because the mean of its divisors is an integer number (31764075240).

Almost surely, 2^211231100213 is an apocalyptic number.

It is an amenable number.

211231100213 is a deficient number, since it is larger than the sum of its proper divisors (42881501707).

211231100213 is a wasteful number, since it uses less digits than its factorization.

211231100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588203787.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211231100213 its reverse (312001132112), we get a palindrome (523232232325).

The spelling of 211231100213 in words is "two hundred eleven billion, two hundred thirty-one million, one hundred thousand, two hundred thirteen".