11431243100 has 18 divisors (see below), whose sum is σ = 24805797744. Its totient is φ = 4572497200.

The previous prime is 11431243063. The next prime is 11431243111. The reversal of 11431243100 is 134213411.

It is a super-2 number, since 2×11431243100² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 57156116 + ... + 57156315.

Almost surely, 2^11431243100 is an apocalyptic number.

11431243100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11431243100 is an abundant number, since it is smaller than the sum of its proper divisors (13374554644).

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

11431243100 is a wasteful number, since it uses less digits than its factorization.

11431243100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114312445 (or 114312438 counting only the distinct ones).

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

Adding to 11431243100 its reverse (134213411), we get a palindrome (11565456511).

The spelling of 11431243100 in words is "eleven billion, four hundred thirty-one million, two hundred forty-three thousand, one hundred".