1131200030 has 16 divisors (see below), whose sum is σ = 2124689184. Its totient is φ = 432806880.

The previous prime is 1131200003. The next prime is 1131200033. The reversal of 1131200030 is 300021311.

It is a super-2 number, since 2×1131200030² = 2559227015744001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131199984 and 1131200020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131200033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2458901 + ... + 2459360.

It is an arithmetic number, because the mean of its divisors is an integer number (132793074).

Almost surely, 2^1131200030 is an apocalyptic number.

1131200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131200030 is a deficient number, since it is larger than the sum of its proper divisors (993489154).

1131200030 is a wasteful number, since it uses less digits than its factorization.

1131200030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4918291.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1131200030 is about 33633.3172613110. The cubic root of 1131200030 is about 1041.9490171206.

Adding to 1131200030 its reverse (300021311), we get a palindrome (1431221341).

The spelling of 1131200030 in words is "one billion, one hundred thirty-one million, two hundred thousand, thirty".