13032121031161 has 2 divisors, whose sum is σ = 13032121031162. Its totient is φ = 13032121031160.

The previous prime is 13032121031077. The next prime is 13032121031179. The reversal of 13032121031161 is 16113012123031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6751583821161 + 6280537210000 = 2598381^2 + 2506100^2 .

It is an emirp because it is prime and its reverse (16113012123031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13032121031161 - 2¹³ = 13032121022969 is a prime.

It is not a weakly prime, because it can be changed into another prime (13032121035161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516060515580 + 6516060515581.

It is an arithmetic number, because the mean of its divisors is an integer number (6516060515581).

Almost surely, 2^{13032121031161} is an apocalyptic number.

It is an amenable number.

13032121031161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13032121031161 is an equidigital number, since it uses as much as digits as its factorization.

13032121031161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 13032121031161 its reverse (16113012123031), we get a palindrome (29145133154192).

The spelling of 13032121031161 in words is "thirteen trillion, thirty-two billion, one hundred twenty-one million, thirty-one thousand, one hundred sixty-one".