111013010131 has 2 divisors, whose sum is σ = 111013010132. Its totient is φ = 111013010130.

The previous prime is 111013010123. The next prime is 111013010149. The reversal of 111013010131 is 131010310111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111013010131 - 2³ = 111013010123 is a prime.

It is a super-2 number, since 2×111013010131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111013010161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506505065 + 55506505066.

It is an arithmetic number, because the mean of its divisors is an integer number (55506505066).

Almost surely, 2^111013010131 is an apocalyptic number.

111013010131 is a deficient number, since it is larger than the sum of its proper divisors (1).

111013010131 is an equidigital number, since it uses as much as digits as its factorization.

111013010131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 111013010131 its reverse (131010310111), we get a palindrome (242023320242).

The spelling of 111013010131 in words is "one hundred eleven billion, thirteen million, ten thousand, one hundred thirty-one".