1103323012431 has 32 divisors (see below), whose sum is σ = 1499023868160. Its totient is φ = 721758988800.

The previous prime is 1103323012423. The next prime is 1103323012433. The reversal of 1103323012431 is 1342103233011.

It is not a de Polignac number, because 1103323012431 - 2³ = 1103323012423 is a prime.

It is a super-2 number, since 2×1103323012431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103323012433) 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 in 31 ways as a sum of consecutive naturals, for example, 12257911 + ... + 12347591.

It is an arithmetic number, because the mean of its divisors is an integer number (46844495880).

Almost surely, 2^{1103323012431} is an apocalyptic number.

1103323012431 is a deficient number, since it is larger than the sum of its proper divisors (395700855729).

1103323012431 is a wasteful number, since it uses less digits than its factorization.

1103323012431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90167.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1103323012431 its reverse (1342103233011), we get a palindrome (2445426245442).

The spelling of 1103323012431 in words is "one trillion, one hundred three billion, three hundred twenty-three million, twelve thousand, four hundred thirty-one".