1111131303031 has 2 divisors, whose sum is σ = 1111131303032. Its totient is φ = 1111131303030.

The previous prime is 1111131303001. The next prime is 1111131303041. The reversal of 1111131303031 is 1303031311111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111131303031 - 2⁷ = 1111131302903 is a prime.

It is a super-2 number, since 2×1111131303031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111131303001) 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, 555565651515 + 555565651516.

It is an arithmetic number, because the mean of its divisors is an integer number (555565651516).

Almost surely, 2^{1111131303031} is an apocalyptic number.

1111131303031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111131303031 is an equidigital number, since it uses as much as digits as its factorization.

1111131303031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 1111131303031 its reverse (1303031311111), we get a palindrome (2414162614142).

The spelling of 1111131303031 in words is "one trillion, one hundred eleven billion, one hundred thirty-one million, three hundred three thousand, thirty-one".