103311131111 has 2 divisors, whose sum is σ = 103311131112. Its totient is φ = 103311131110.

The previous prime is 103311131059. The next prime is 103311131129. The reversal of 103311131111 is 111131113301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103311131111 is a prime.

It is a super-2 number, since 2×103311131111² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103311131111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103311131141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51655565555 + 51655565556.

It is an arithmetic number, because the mean of its divisors is an integer number (51655565556).

Almost surely, 2^103311131111 is an apocalyptic number.

103311131111 is a deficient number, since it is larger than the sum of its proper divisors (1).

103311131111 is an equidigital number, since it uses as much as digits as its factorization.

103311131111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 103311131111 its reverse (111131113301), we get a palindrome (214442244412).

The spelling of 103311131111 in words is "one hundred three billion, three hundred eleven million, one hundred thirty-one thousand, one hundred eleven".