11204031000 has 256 divisors, whose sum is σ = 35744716800. Its totient is φ = 2921280000.

The previous prime is 11204030989. The next prime is 11204031001. The reversal of 11204031000 is 13040211.

It is a happy number.

It is a super-2 number, since 2×11204031000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11204031001) 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 63 ways as a sum of consecutive naturals, for example, 31208821 + ... + 31209179.

It is an arithmetic number, because the mean of its divisors is an integer number (139627800).

Almost surely, 2^11204031000 is an apocalyptic number.

11204031000 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 11204031000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17872358400).

11204031000 is an abundant number, since it is smaller than the sum of its proper divisors (24540685800).

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

11204031000 is a wasteful number, since it uses less digits than its factorization.

11204031000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 11204031000 its reverse (13040211), we get a palindrome (11217071211).

The spelling of 11204031000 in words is "eleven billion, two hundred four million, thirty-one thousand".