11403104031 has 24 divisors (see below), whose sum is σ = 18195989760. Its totient is φ = 6823486800.

The previous prime is 11403103993. The next prime is 11403104047. The reversal of 11403104031 is 13040130411.

It is not a de Polignac number, because 11403104031 - 2³³ = 2813169439 is a prime.

It is a super-2 number, since 2×11403104031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11403103995 and 11403104013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403104051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 721185 + ... + 736826.

It is an arithmetic number, because the mean of its divisors is an integer number (758166240).

Almost surely, 2^11403104031 is an apocalyptic number.

11403104031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11403104031 is a deficient number, since it is larger than the sum of its proper divisors (6792885729).

11403104031 is a wasteful number, since it uses less digits than its factorization.

11403104031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458107 (or 1458104 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11403104031 its reverse (13040130411), we get a palindrome (24443234442).

The spelling of 11403104031 in words is "eleven billion, four hundred three million, one hundred four thousand, thirty-one".