13033232161 has 2 divisors, whose sum is σ = 13033232162. Its totient is φ = 13033232160.

The previous prime is 13033232137. The next prime is 13033232207. The reversal of 13033232161 is 16123233031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11316704400 + 1716527761 = 106380^2 + 41431^2 .

It is an emirp because it is prime and its reverse (16123233031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13033232161 - 2³³ = 4443297569 is a prime.

It is not a weakly prime, because it can be changed into another prime (13033232111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516616080 + 6516616081.

It is an arithmetic number, because the mean of its divisors is an integer number (6516616081).

Almost surely, 2^13033232161 is an apocalyptic number.

It is an amenable number.

13033232161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033232161 is an equidigital number, since it uses as much as digits as its factorization.

13033232161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13033232161 its reverse (16123233031), we get a palindrome (29156465192).

The spelling of 13033232161 in words is "thirteen billion, thirty-three million, two hundred thirty-two thousand, one hundred sixty-one".