1131500333 has 4 divisors (see below), whose sum is σ = 1141881180. Its totient is φ = 1121119488.

The previous prime is 1131500327. The next prime is 1131500351. The reversal of 1131500333 is 3330051311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 565155529 + 566344804 = 23773^2 + 23798^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131500333 - 2⁸ = 1131500077 is a prime.

It is a super-2 number, since 2×1131500333² = 2560586007158221778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131500353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5190260 + ... + 5190477.

It is an arithmetic number, because the mean of its divisors is an integer number (285470295).

Almost surely, 2^1131500333 is an apocalyptic number.

It is an amenable number.

1131500333 is a deficient number, since it is larger than the sum of its proper divisors (10380847).

1131500333 is a wasteful number, since it uses less digits than its factorization.

1131500333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380846.

The product of its (nonzero) digits is 405, while the sum is 20.

The square root of 1131500333 is about 33637.7813329001. The cubic root of 1131500333 is about 1042.0412120530.

Adding to 1131500333 its reverse (3330051311), we get a palindrome (4461551644).

The spelling of 1131500333 in words is "one billion, one hundred thirty-one million, five hundred thousand, three hundred thirty-three".