231102221213 has 8 divisors (see below), whose sum is σ = 234624424608. Its totient is φ = 227597585584.

The previous prime is 231102221167. The next prime is 231102221221. The reversal of 231102221213 is 312122201132.

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 231102221213 - 2¹⁶ = 231102155677 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 (231102221293) 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, 4365431 + ... + 4418052.

It is an arithmetic number, because the mean of its divisors is an integer number (29328053076).

Almost surely, 2^231102221213 is an apocalyptic number.

It is an amenable number.

231102221213 is a deficient number, since it is larger than the sum of its proper divisors (3522203395).

231102221213 is an equidigital number, since it uses as much as digits as its factorization.

231102221213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783883.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 231102221213 its reverse (312122201132), we get a palindrome (543224422345).

The spelling of 231102221213 in words is "two hundred thirty-one billion, one hundred two million, two hundred twenty-one thousand, two hundred thirteen".