231313103211 has 8 divisors (see below), whose sum is σ = 308547231184. Its totient is φ = 154143855360.

The previous prime is 231313103191. The next prime is 231313103249. The reversal of 231313103211 is 112301313132.

It is a happy number.

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

It is not a de Polignac number, because 231313103211 - 2¹¹ = 231313101163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231313103291) 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, 16211710 + ... + 16225971.

It is an arithmetic number, because the mean of its divisors is an integer number (38568403898).

Almost surely, 2^231313103211 is an apocalyptic number.

231313103211 is a deficient number, since it is larger than the sum of its proper divisors (77234127973).

231313103211 is a wasteful number, since it uses less digits than its factorization.

231313103211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32440061.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 231313103211 its reverse (112301313132), we get a palindrome (343614416343).

The spelling of 231313103211 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred three thousand, two hundred eleven".