1131200033 has 2 divisors, whose sum is σ = 1131200034. Its totient is φ = 1131200032.

The previous prime is 1131200003. The next prime is 1131200047. The reversal of 1131200033 is 3300021311.

It is an a-pointer prime, because the next prime (1131200047) can be obtained adding 1131200033 to its sum of digits (14).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708198544 + 423001489 = 26612^2 + 20567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131200033 - 2¹² = 1131195937 is a prime.

It is a super-2 number, since 2×1131200033² = 2559227029318402178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131199990 and 1131200017.

It is not a weakly prime, because it can be changed into another prime (1131200003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565600016 + 565600017.

It is an arithmetic number, because the mean of its divisors is an integer number (565600017).

Almost surely, 2^1131200033 is an apocalyptic number.

It is an amenable number.

1131200033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131200033 is an equidigital number, since it uses as much as digits as its factorization.

1131200033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1131200033 is about 33633.3173059096. The cubic root of 1131200033 is about 1041.9490180417.

Adding to 1131200033 its reverse (3300021311), we get a palindrome (4431221344).

The spelling of 1131200033 in words is "one billion, one hundred thirty-one million, two hundred thousand, thirty-three".