231303222101 has 4 divisors (see below), whose sum is σ = 264346539552. Its totient is φ = 198259904652.

The previous prime is 231303222089. The next prime is 231303222151. The reversal of 231303222101 is 101222303132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231303222101 - 2¹⁰ = 231303221077 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 (231303222151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16521658715 + ... + 16521658728.

It is an arithmetic number, because the mean of its divisors is an integer number (66086634888).

Almost surely, 2^231303222101 is an apocalyptic number.

It is an amenable number.

231303222101 is a deficient number, since it is larger than the sum of its proper divisors (33043317451).

231303222101 is an equidigital number, since it uses as much as digits as its factorization.

231303222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33043317450.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231303222101 its reverse (101222303132), we get a palindrome (332525525233).

The spelling of 231303222101 in words is "two hundred thirty-one billion, three hundred three million, two hundred twenty-two thousand, one hundred one".