1131000200 has 96 divisors (see below), whose sum is σ = 2911822560. Its totient is φ = 405081600.

The previous prime is 1131000193. The next prime is 1131000209. The reversal of 1131000200 is 20001311.

It is a super-2 number, since 2×1131000200² = 2558322904800080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (1131000209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143564 + ... + 151236.

It is an arithmetic number, because the mean of its divisors is an integer number (30331485).

Almost surely, 2^1131000200 is an apocalyptic number.

1131000200 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 1131000200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1455911280).

1131000200 is an abundant number, since it is smaller than the sum of its proper divisors (1780822360).

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

1131000200 is a wasteful number, since it uses less digits than its factorization.

1131000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7758 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1131000200 is about 33630.3464151055. The cubic root of 1131000200 is about 1041.8876589970.

Adding to 1131000200 its reverse (20001311), we get a palindrome (1151001511).

The spelling of 1131000200 in words is "one billion, one hundred thirty-one million, two hundred", and thus it is an aban number.