13311212343427 has 2 divisors, whose sum is σ = 13311212343428. Its totient is φ = 13311212343426.

The previous prime is 13311212343283. The next prime is 13311212343463. The reversal of 13311212343427 is 72434321211331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13311212343427 is a prime.

It is not a weakly prime, because it can be changed into another prime (13311212343827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655606171713 + 6655606171714.

It is an arithmetic number, because the mean of its divisors is an integer number (6655606171714).

Almost surely, 2^{13311212343427} is an apocalyptic number.

13311212343427 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311212343427 is an equidigital number, since it uses as much as digits as its factorization.

13311212343427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

Adding to 13311212343427 its reverse (72434321211331), we get a palindrome (85745533554758).

The spelling of 13311212343427 in words is "thirteen trillion, three hundred eleven billion, two hundred twelve million, three hundred forty-three thousand, four hundred twenty-seven".