11031430400 has 216 divisors, whose sum is σ = 29114490720. Its totient is φ = 4126187520.

The previous prime is 11031430393. The next prime is 11031430409. The reversal of 11031430400 is 403413011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031430409) 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, 10092254 + ... + 10093346.

Almost surely, 2^11031430400 is an apocalyptic number.

11031430400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031430400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14557245360).

11031430400 is an abundant number, since it is smaller than the sum of its proper divisors (18083060320).

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

11031430400 is a wasteful number, since it uses less digits than its factorization.

11031430400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11031430400 its reverse (403413011), we get a palindrome (11434843411).

The spelling of 11031430400 in words is "eleven billion, thirty-one million, four hundred thirty thousand, four hundred".