13231617073 has 2 divisors, whose sum is σ = 13231617074. Its totient is φ = 13231617072.

The previous prime is 13231617071. The next prime is 13231617103. The reversal of 13231617073 is 37071613231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10299611169 + 2932005904 = 101487^2 + 54148^2 .

It is an emirp because it is prime and its reverse (37071613231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13231617073 - 2¹ = 13231617071 is a prime.

Together with 13231617071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13231617071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6615808536 + 6615808537.

It is an arithmetic number, because the mean of its divisors is an integer number (6615808537).

Almost surely, 2^13231617073 is an apocalyptic number.

It is an amenable number.

13231617073 is a deficient number, since it is larger than the sum of its proper divisors (1).

13231617073 is an equidigital number, since it uses as much as digits as its factorization.

13231617073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The spelling of 13231617073 in words is "thirteen billion, two hundred thirty-one million, six hundred seventeen thousand, seventy-three".