1103232431400 has 144 divisors (see below), whose sum is σ = 3759196375200. Its totient is φ = 267450268800.

The previous prime is 1103232431381. The next prime is 1103232431401. The reversal of 1103232431400 is 41342323011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1103232431401) 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 35 ways as a sum of consecutive naturals, for example, 7525420 + ... + 7670619.

Almost surely, 2^{1103232431400} is an apocalyptic number.

1103232431400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103232431400 is an abundant number, since it is smaller than the sum of its proper divisors (2655963943800).

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

1103232431400 is a wasteful number, since it uses less digits than its factorization.

1103232431400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15196080 (or 15196060 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1103232431400 its reverse (41342323011), we get a palindrome (1144574754411).

The spelling of 1103232431400 in words is "one trillion, one hundred three billion, two hundred thirty-two million, four hundred thirty-one thousand, four hundred".