231321100211 has 8 divisors (see below), whose sum is σ = 232498812000. Its totient is φ = 230143541760.

The previous prime is 231321100189. The next prime is 231321100229. The reversal of 231321100211 is 112001123132.

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 231321100211 - 2²⁶ = 231253991347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231321100211.

It is not an unprimeable number, because it can be changed into a prime (231321100291) 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, 4137101 + ... + 4192641.

It is an arithmetic number, because the mean of its divisors is an integer number (29062351500).

Almost surely, 2^231321100211 is an apocalyptic number.

231321100211 is a deficient number, since it is larger than the sum of its proper divisors (1177711789).

231321100211 is a wasteful number, since it uses less digits than its factorization.

231321100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76669.

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

Adding to 231321100211 its reverse (112001123132), we get a palindrome (343322223343).

The spelling of 231321100211 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred thousand, two hundred eleven".