111310131081301 has 2 divisors, whose sum is σ = 111310131081302. Its totient is φ = 111310131081300.

The previous prime is 111310131081263. The next prime is 111310131081341. The reversal of 111310131081301 is 103180131013111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98869731942276 + 12440399139025 = 9943326^2 + 3527095^2 .

It is an emirp because it is prime and its reverse (103180131013111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111310131081301 - 2¹⁹ = 111310130557013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111310131081341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55655065540650 + 55655065540651.

It is an arithmetic number, because the mean of its divisors is an integer number (55655065540651).

Almost surely, 2^{111310131081301} is an apocalyptic number.

It is an amenable number.

111310131081301 is a deficient number, since it is larger than the sum of its proper divisors (1).

111310131081301 is an equidigital number, since it uses as much as digits as its factorization.

111310131081301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

Adding to 111310131081301 its reverse (103180131013111), we get a palindrome (214490262094412).

The spelling of 111310131081301 in words is "one hundred eleven trillion, three hundred ten billion, one hundred thirty-one million, eighty-one thousand, three hundred one".