13311232219937 has 2 divisors, whose sum is σ = 13311232219938. Its totient is φ = 13311232219936.

The previous prime is 13311232219921. The next prime is 13311232219991. The reversal of 13311232219937 is 73991223211331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13190617708321 + 120614511616 = 3631889^2 + 347296^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311232219937 - 2⁴ = 13311232219921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13311232219891 and 13311232219900.

It is not a weakly prime, because it can be changed into another prime (13311232219837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655616109968 + 6655616109969.

It is an arithmetic number, because the mean of its divisors is an integer number (6655616109969).

Almost surely, 2^{13311232219937} is an apocalyptic number.

It is an amenable number.

13311232219937 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311232219937 is an equidigital number, since it uses as much as digits as its factorization.

13311232219937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 47.

The spelling of 13311232219937 in words is "thirteen trillion, three hundred eleven billion, two hundred thirty-two million, two hundred nineteen thousand, nine hundred thirty-seven".