1331203200 has 192 divisors, whose sum is σ = 4576046400. Its totient is φ = 339496960.

The previous prime is 1331203193. The next prime is 1331203217. The reversal of 1331203200 is 23021331.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1331203200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217786 + ... + 223814.

It is an arithmetic number, because the mean of its divisors is an integer number (23833575).

Almost surely, 2^1331203200 is an apocalyptic number.

1331203200 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 1331203200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288023200).

1331203200 is an abundant number, since it is smaller than the sum of its proper divisors (3244843200).

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

1331203200 is a wasteful number, since it uses less digits than its factorization.

1331203200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079 (or 6062 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1331203200 is about 36485.6574560470. The cubic root of 1331203200 is about 1100.0559751130.

Adding to 1331203200 its reverse (23021331), we get a palindrome (1354224531).

The spelling of 1331203200 in words is "one billion, three hundred thirty-one million, two hundred three thousand, two hundred".