1331233233 has 32 divisors (see below), whose sum is σ = 2042288640. Its totient is φ = 762831360.

The previous prime is 1331233207. The next prime is 1331233237. The reversal of 1331233233 is 3323321331.

It is not a de Polignac number, because 1331233233 - 2⁵ = 1331233201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1331233237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 366241 + ... + 369857.

It is an arithmetic number, because the mean of its divisors is an integer number (63821520).

Almost surely, 2^1331233233 is an apocalyptic number.

It is an amenable number.

1331233233 is a deficient number, since it is larger than the sum of its proper divisors (711055407).

1331233233 is a wasteful number, since it uses less digits than its factorization.

1331233233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237.

The product of its digits is 2916, while the sum is 24.

The square root of 1331233233 is about 36486.0690264106. The cubic root of 1331233233 is about 1100.0642477626.

Adding to 1331233233 its reverse (3323321331), we get a palindrome (4654554564).

The spelling of 1331233233 in words is "one billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred thirty-three".