233311231112257 has 2 divisors, whose sum is σ = 233311231112258. Its totient is φ = 233311231112256.

The previous prime is 233311231112119. The next prime is 233311231112321. The reversal of 233311231112257 is 752211132113332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 232332099093136 + 979132019121 = 15242444^2 + 989511^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233311231112257 is a prime.

It is not a weakly prime, because it can be changed into another prime (233311231122257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116655615556128 + 116655615556129.

It is an arithmetic number, because the mean of its divisors is an integer number (116655615556129).

Almost surely, 2^{233311231112257} is an apocalyptic number.

It is an amenable number.

233311231112257 is a deficient number, since it is larger than the sum of its proper divisors (1).

233311231112257 is an equidigital number, since it uses as much as digits as its factorization.

233311231112257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

Adding to 233311231112257 its reverse (752211132113332), we get a palindrome (985522363225589).

The spelling of 233311231112257 in words is "two hundred thirty-three trillion, three hundred eleven billion, two hundred thirty-one million, one hundred twelve thousand, two hundred fifty-seven".