10531311103 has 16 divisors (see below), whose sum is σ = 11122458624. Its totient is φ = 9956666880.

The previous prime is 10531311061. The next prime is 10531311187. The reversal of 10531311103 is 30111313501.

It is a cyclic number.

It is not a de Polignac number, because 10531311103 - 2¹³ = 10531302911 is a prime.

It is a super-2 number, since 2×10531311103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531311403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834426 + ... + 846952.

It is an arithmetic number, because the mean of its divisors is an integer number (695153664).

Almost surely, 2^10531311103 is an apocalyptic number.

10531311103 is a deficient number, since it is larger than the sum of its proper divisors (591147521).

10531311103 is a wasteful number, since it uses less digits than its factorization.

10531311103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13182.

The product of its (nonzero) digits is 135, while the sum is 19.

Adding to 10531311103 its reverse (30111313501), we get a palindrome (40642624604).

The spelling of 10531311103 in words is "ten billion, five hundred thirty-one million, three hundred eleven thousand, one hundred three".