13111301101231 has 2 divisors, whose sum is σ = 13111301101232. Its totient is φ = 13111301101230.

The previous prime is 13111301101229. The next prime is 13111301101243. The reversal of 13111301101231 is 13210110311131.

It is a weak prime.

It is an emirp because it is prime and its reverse (13210110311131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13111301101231 - 2¹ = 13111301101229 is a prime.

It is a super-2 number, since 2×13111301101231² (a number of 27 digits) contains 22 as substring.

Together with 13111301101229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13111301101199 and 13111301101208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111301101531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555650550615 + 6555650550616.

It is an arithmetic number, because the mean of its divisors is an integer number (6555650550616).

Almost surely, 2^{13111301101231} is an apocalyptic number.

13111301101231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111301101231 is an equidigital number, since it uses as much as digits as its factorization.

13111301101231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 13111301101231 its reverse (13210110311131), we get a palindrome (26321411412362).

The spelling of 13111301101231 in words is "thirteen trillion, one hundred eleven billion, three hundred one million, one hundred one thousand, two hundred thirty-one".