1131303204200 has 144 divisors (see below), whose sum is σ = 2867047970400. Its totient is φ = 414943776000.

The previous prime is 1131303204181. The next prime is 1131303204259. The reversal of 1131303204200 is 24023031311.

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 35 ways as a sum of consecutive naturals, for example, 4992971 + ... + 5214629.

It is an arithmetic number, because the mean of its divisors is an integer number (19910055350).

Almost surely, 2^{1131303204200} is an apocalyptic number.

1131303204200 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 1131303204200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433523985200).

1131303204200 is an abundant number, since it is smaller than the sum of its proper divisors (1735744766200).

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

1131303204200 is a wasteful number, since it uses less digits than its factorization.

1131303204200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221852 (or 221830 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1131303204200 its reverse (24023031311), we get a palindrome (1155326235511).

The spelling of 1131303204200 in words is "one trillion, one hundred thirty-one billion, three hundred three million, two hundred four thousand, two hundred".