1131303330 has 24 divisors (see below), whose sum is σ = 2941388892. Its totient is φ = 301680864.

The previous prime is 1131303319. The next prime is 1131303331. The reversal of 1131303330 is 333031311.

1131303330 is a `hidden beast` number, since 1 + 1 + 31 + 303 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1091575521 + 39727809 = 33039^2 + 6303^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1131303331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6284929 + ... + 6285108.

Almost surely, 2^1131303330 is an apocalyptic number.

1131303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131303330 is an abundant number, since it is smaller than the sum of its proper divisors (1810085562).

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

1131303330 is a wasteful number, since it uses less digits than its factorization.

1131303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12570050 (or 12570047 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1131303330 is about 33634.8529058773. The cubic root of 1131303330 is about 1041.9807327189.

Adding to 1131303330 its reverse (333031311), we get a palindrome (1464334641).

The spelling of 1131303330 in words is "one billion, one hundred thirty-one million, three hundred three thousand, three hundred thirty".