231333301122231 has 16 divisors (see below), whose sum is σ = 384554059008768. Its totient is φ = 120173143440000.

The previous prime is 231333301122191. The next prime is 231333301122241. The reversal of 231333301122231 is 132221103333132.

It is not a de Polignac number, because 231333301122231 - 2¹³ = 231333301114039 is a prime.

It is a super-2 number, since 2×231333301122231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231333301122241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500721430770 + ... + 500721431231.

It is an arithmetic number, because the mean of its divisors is an integer number (24034628688048).

Almost surely, 2^{231333301122231} is an apocalyptic number.

231333301122231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231333301122231 is a deficient number, since it is larger than the sum of its proper divisors (153220757886537).

231333301122231 is a wasteful number, since it uses less digits than its factorization.

231333301122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001442862022.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 231333301122231 its reverse (132221103333132), we get a palindrome (363554404455363).

The spelling of 231333301122231 in words is "two hundred thirty-one trillion, three hundred thirty-three billion, three hundred one million, one hundred twenty-two thousand, two hundred thirty-one".