13220314337 has 2 divisors, whose sum is σ = 13220314338. Its totient is φ = 13220314336.

The previous prime is 13220314321. The next prime is 13220314351. The reversal of 13220314337 is 73341302231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13032733921 + 187580416 = 114161^2 + 13696^2 .

It is a cyclic number.

It is not a de Polignac number, because 13220314337 - 2⁴ = 13220314321 is a prime.

It is a super-2 number, since 2×13220314337² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13220314837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610157168 + 6610157169.

It is an arithmetic number, because the mean of its divisors is an integer number (6610157169).

Almost surely, 2^13220314337 is an apocalyptic number.

It is an amenable number.

13220314337 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220314337 is an equidigital number, since it uses as much as digits as its factorization.

13220314337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

Adding to 13220314337 its reverse (73341302231), we get a palindrome (86561616568).

The spelling of 13220314337 in words is "thirteen billion, two hundred twenty million, three hundred fourteen thousand, three hundred thirty-seven".