231122533 has 2 divisors, whose sum is σ = 231122534. Its totient is φ = 231122532.

The previous prime is 231122527. The next prime is 231122539. The reversal of 231122533 is 335221132.

It is a balanced prime because it is at equal distance from previous prime (231122527) and next prime (231122539).

It can be written as a sum of positive squares in only one way, i.e., 212051844 + 19070689 = 14562^2 + 4367^2 .

It is a cyclic number.

It is not a de Polignac number, because 231122533 - 2¹³ = 231114341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231122539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115561266 + 115561267.

It is an arithmetic number, because the mean of its divisors is an integer number (115561267).

Almost surely, 2^231122533 is an apocalyptic number.

It is an amenable number.

231122533 is a deficient number, since it is larger than the sum of its proper divisors (1).

231122533 is an equidigital number, since it uses as much as digits as its factorization.

231122533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 22.

The square root of 231122533 is about 15202.7146589022. The cubic root of 231122533 is about 613.6877149846.

Adding to 231122533 its reverse (335221132), we get a palindrome (566343665).

The spelling of 231122533 in words is "two hundred thirty-one million, one hundred twenty-two thousand, five hundred thirty-three".