1331233229 has 8 divisors (see below), whose sum is σ = 1413609408. Its totient is φ = 1249309120.

The previous prime is 1331233207. The next prime is 1331233237. The reversal of 1331233229 is 9223321331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331233229 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 (1331233129) 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, 106937 + ... + 118734.

It is an arithmetic number, because the mean of its divisors is an integer number (176701176).

Almost surely, 2^1331233229 is an apocalyptic number.

It is an amenable number.

1331233229 is a deficient number, since it is larger than the sum of its proper divisors (82376179).

1331233229 is a wasteful number, since it uses less digits than its factorization.

1331233229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226035.

The product of its digits is 5832, while the sum is 29.

The square root of 1331233229 is about 36486.0689715952. The cubic root of 1331233229 is about 1100.0642466608.

The spelling of 1331233229 in words is "one billion, three hundred thirty-one million, two hundred thirty-three thousand, two hundred twenty-nine".