11431324100 has 36 divisors (see below), whose sum is σ = 28349685504. Its totient is φ = 3919310880.

The previous prime is 11431324057. The next prime is 11431324123. The reversal of 11431324100 is 142313411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8164532 + ... + 8165931.

It is an arithmetic number, because the mean of its divisors is an integer number (787491264).

Almost surely, 2^11431324100 is an apocalyptic number.

11431324100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431324100 is an abundant number, since it is smaller than the sum of its proper divisors (16918361404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431324100 is a wasteful number, since it uses less digits than its factorization.

11431324100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330484 (or 16330477 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11431324100 its reverse (142313411), we get a palindrome (11573637511).

The spelling of 11431324100 in words is "eleven billion, four hundred thirty-one million, three hundred twenty-four thousand, one hundred".