1133231013 has 8 divisors (see below), whose sum is σ = 1678860800. Its totient is φ = 755487324.

The previous prime is 1133230997. The next prime is 1133231023. The reversal of 1133231013 is 3101323311.

It is a happy number.

1133231013 is a `hidden beast` number, since 11 + 332 + 310 + 13 = 666.

It is not a de Polignac number, because 1133231013 - 2⁴ = 1133230997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133231023) 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, 20985733 + ... + 20985786.

It is an arithmetic number, because the mean of its divisors is an integer number (209857600).

Almost surely, 2^1133231013 is an apocalyptic number.

It is an amenable number.

1133231013 is a deficient number, since it is larger than the sum of its proper divisors (545629787).

1133231013 is an equidigital number, since it uses as much as digits as its factorization.

1133231013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41971528 (or 41971522 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1133231013 is about 33663.4967435054. The cubic root of 1133231013 is about 1042.5722241769.

Adding to 1133231013 its reverse (3101323311), we get a palindrome (4234554324).

The spelling of 1133231013 in words is "one billion, one hundred thirty-three million, two hundred thirty-one thousand, thirteen".