231550510150033 has 2 divisors, whose sum is σ = 231550510150034. Its totient is φ = 231550510150032.

The previous prime is 231550510149983. The next prime is 231550510150067. The reversal of 231550510150033 is 330051015055132.

It is an a-pointer prime, because the next prime (231550510150067) can be obtained adding 231550510150033 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212379528123009 + 19170982027024 = 14573247^2 + 4378468^2 .

It is a cyclic number.

It is not a de Polignac number, because 231550510150033 - 2²¹ = 231550508052881 is a prime.

It is not a weakly prime, because it can be changed into another prime (231550510151033) 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 as a sum of consecutive naturals, namely, 115775255075016 + 115775255075017.

It is an arithmetic number, because the mean of its divisors is an integer number (115775255075017).

Almost surely, 2^{231550510150033} is an apocalyptic number.

It is an amenable number.

231550510150033 is a deficient number, since it is larger than the sum of its proper divisors (1).

231550510150033 is an equidigital number, since it uses as much as digits as its factorization.

231550510150033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 231550510150033 in words is "two hundred thirty-one trillion, five hundred fifty billion, five hundred ten million, one hundred fifty thousand, thirty-three".