1331133133 has 16 divisors (see below), whose sum is σ = 1542948480. Its totient is φ = 1138891200.

The previous prime is 1331133113. The next prime is 1331133151. The reversal of 1331133133 is 3313311331.

It is not a de Polignac number, because 1331133133 - 2¹³ = 1331124941 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 (1331133113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41728 + ... + 66358.

It is an arithmetic number, because the mean of its divisors is an integer number (96434280).

Almost surely, 2^1331133133 is an apocalyptic number.

It is an amenable number.

1331133133 is a deficient number, since it is larger than the sum of its proper divisors (211815347).

1331133133 is an equidigital number, since it uses as much as digits as its factorization.

1331133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24693 (or 24659 counting only the distinct ones).

The product of its digits is 729, while the sum is 22.

The square root of 1331133133 is about 36484.6972441872. The cubic root of 1331133133 is about 1100.0366745348.

Adding to 1331133133 its reverse (3313311331), we get a palindrome (4644444464).

The spelling of 1331133133 in words is "one billion, three hundred thirty-one million, one hundred thirty-three thousand, one hundred thirty-three".