1331213133 has 8 divisors (see below), whose sum is σ = 1818242496. Its totient is φ = 865829600.

The previous prime is 1331213089. The next prime is 1331213153. The reversal of 1331213133 is 3313121331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331213133 - 2¹⁴ = 1331196749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331213153) 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, 5411313 + ... + 5411558.

It is an arithmetic number, because the mean of its divisors is an integer number (227280312).

Almost surely, 2^1331213133 is an apocalyptic number.

It is an amenable number.

1331213133 is a deficient number, since it is larger than the sum of its proper divisors (487029363).

1331213133 is a wasteful number, since it uses less digits than its factorization.

1331213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10822915.

The product of its digits is 486, while the sum is 21.

The square root of 1331213133 is about 36485.7935777749. The cubic root of 1331213133 is about 1100.0587111914.

Adding to 1331213133 its reverse (3313121331), we get a palindrome (4644334464).

The spelling of 1331213133 in words is "one billion, three hundred thirty-one million, two hundred thirteen thousand, one hundred thirty-three".