13331311201331 has 2 divisors, whose sum is σ = 13331311201332. Its totient is φ = 13331311201330.

The previous prime is 13331311201321. The next prime is 13331311201339. The reversal of 13331311201331 is 13310211313331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13331311201331 - 2¹⁰ = 13331311200307 is a prime.

It is a super-2 number, since 2×13331311201331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13331311201331.

It is not a weakly prime, because it can be changed into another prime (13331311201339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6665655600665 + 6665655600666.

It is an arithmetic number, because the mean of its divisors is an integer number (6665655600666).

Almost surely, 2^{13331311201331} is an apocalyptic number.

13331311201331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13331311201331 is an equidigital number, since it uses as much as digits as its factorization.

13331311201331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 26.

Adding to 13331311201331 its reverse (13310211313331), we get a palindrome (26641522514662).

The spelling of 13331311201331 in words is "thirteen trillion, three hundred thirty-one billion, three hundred eleven million, two hundred one thousand, three hundred thirty-one".