1331330033 has 8 divisors (see below), whose sum is σ = 1465685760. Its totient is φ = 1199195280.

The previous prime is 1331330023. The next prime is 1331330053. The reversal of 1331330033 is 3300331331.

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 1331330033 - 2⁸ = 1331329777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331329987 and 1331330014.

It is not an unprimeable number, because it can be changed into a prime (1331330023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553985 + ... + 556382.

It is an arithmetic number, because the mean of its divisors is an integer number (183210720).

Almost surely, 2^1331330033 is an apocalyptic number.

It is an amenable number.

1331330033 is a deficient number, since it is larger than the sum of its proper divisors (134355727).

1331330033 is a wasteful number, since it uses less digits than its factorization.

1331330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110487.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 1331330033 is about 36487.3955359930. The cubic root of 1331330033 is about 1100.0909106682.

Adding to 1331330033 its reverse (3300331331), we get a palindrome (4631661364).

The spelling of 1331330033 in words is "one billion, three hundred thirty-one million, three hundred thirty thousand, thirty-three".