1131003300 has 216 divisors, whose sum is σ = 3890001024. Its totient is φ = 252860160.

The previous prime is 1131003283. The next prime is 1131003323. The reversal of 1131003300 is 33001311.

It is a super-2 number, since 2×1131003300² = 2558336929221780000, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 690082 + ... + 691718.

It is an arithmetic number, because the mean of its divisors is an integer number (18009264).

Almost surely, 2^1131003300 is an apocalyptic number.

1131003300 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 1131003300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1945000512).

1131003300 is an abundant number, since it is smaller than the sum of its proper divisors (2758997724).

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

1131003300 is a wasteful number, since it uses less digits than its factorization.

1131003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715 (or 1701 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1131003300 is about 33630.3925043999. The cubic root of 1131003300 is about 1041.8886109122. Note that the first 3 decimals are identical.

Adding to 1131003300 its reverse (33001311), we get a palindrome (1164004611).

The spelling of 1131003300 in words is "one billion, one hundred thirty-one million, three thousand, three hundred".