13111434223331 has 2 divisors, whose sum is σ = 13111434223332. Its totient is φ = 13111434223330.

The previous prime is 13111434223291. The next prime is 13111434223337. The reversal of 13111434223331 is 13332243411131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13111434223331 - 2¹⁸ = 13111433961187 is a prime.

It is a super-2 number, since 2×13111434223331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13111434223337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555717111665 + 6555717111666.

It is an arithmetic number, because the mean of its divisors is an integer number (6555717111666).

Almost surely, 2^{13111434223331} is an apocalyptic number.

13111434223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111434223331 is an equidigital number, since it uses as much as digits as its factorization.

13111434223331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

Adding to 13111434223331 its reverse (13332243411131), we get a palindrome (26443677634462).

The spelling of 13111434223331 in words is "thirteen trillion, one hundred eleven billion, four hundred thirty-four million, two hundred twenty-three thousand, three hundred thirty-one".