11404403031 has 24 divisors (see below), whose sum is σ = 18064823040. Its totient is φ = 6378142512.

The previous prime is 11404402991. The next prime is 11404403051. The reversal of 11404403031 is 13030440411.

11404403031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11404403031 - 2¹³ = 11404394839 is a prime.

It is a super-2 number, since 2×11404403031² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11404402989 and 11404403007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404403051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 818421 + ... + 832238.

It is an arithmetic number, because the mean of its divisors is an integer number (752700960).

Almost surely, 2^11404403031 is an apocalyptic number.

11404403031 is a deficient number, since it is larger than the sum of its proper divisors (6660420009).

11404403031 is a wasteful number, since it uses less digits than its factorization.

11404403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650723 (or 1650716 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11404403031 its reverse (13030440411), we get a palindrome (24434843442).

The spelling of 11404403031 in words is "eleven billion, four hundred four million, four hundred three thousand, thirty-one".