11003404031031 has 32 divisors (see below), whose sum is σ = 15504978528000. Its totient is φ = 6921810332928.

The previous prime is 11003404031029. The next prime is 11003404031041. The reversal of 11003404031031 is 13013040430011.

It is not a de Polignac number, because 11003404031031 - 2¹ = 11003404031029 is a prime.

It is a super-2 number, since 2×11003404031031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11003404030989 and 11003404031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003404031041) 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 31 ways as a sum of consecutive naturals, for example, 57694876 + ... + 57885278.

It is an arithmetic number, because the mean of its divisors is an integer number (484530579000).

Almost surely, 2^{11003404031031} is an apocalyptic number.

11003404031031 is a deficient number, since it is larger than the sum of its proper divisors (4501574496969).

11003404031031 is a wasteful number, since it uses less digits than its factorization.

11003404031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194463.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11003404031031 its reverse (13013040430011), we get a palindrome (24016444461042).

The spelling of 11003404031031 in words is "eleven trillion, three billion, four hundred four million, thirty-one thousand, thirty-one".