1331233033 has 8 divisors (see below), whose sum is σ = 1434024648. Its totient is φ = 1228497024.

The previous prime is 1331233019. The next prime is 1331233049. The reversal of 1331233033 is 3303321331.

It can be written as a sum of positive squares in 4 ways, for example, as 50523664 + 1280709369 = 7108^2 + 35787^2 .

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 1331233033 - 2⁹ = 1331232521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331232995 and 1331233013.

It is not an unprimeable number, because it can be changed into a prime (1331233333) 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, 45141 + ... + 68557.

It is an arithmetic number, because the mean of its divisors is an integer number (179253081).

Almost surely, 2^1331233033 is an apocalyptic number.

1331233033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1331233033 is a deficient number, since it is larger than the sum of its proper divisors (102791615).

1331233033 is a wasteful number, since it uses less digits than its factorization.

1331233033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27803.

The product of its (nonzero) digits is 1458, while the sum is 22.

The square root of 1331233033 is about 36486.0662856384. The cubic root of 1331233033 is about 1100.0641926726.

Adding to 1331233033 its reverse (3303321331), we get a palindrome (4634554364).

The spelling of 1331233033 in words is "one billion, three hundred thirty-one million, two hundred thirty-three thousand, thirty-three".