1231334233 has 8 divisors (see below), whose sum is σ = 1288760256. Its totient is φ = 1174232400.

The previous prime is 1231334231. The next prime is 1231334243. The reversal of 1231334233 is 3324331321.

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 1231334233 - 2¹ = 1231334231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231334198 and 1231334207.

It is not an unprimeable number, because it can be changed into a prime (1231334231) 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, 73258 + ... + 88483.

It is an arithmetic number, because the mean of its divisors is an integer number (161095032).

Almost surely, 2^1231334233 is an apocalyptic number.

It is an amenable number.

1231334233 is a deficient number, since it is larger than the sum of its proper divisors (57426023).

1231334233 is a wasteful number, since it uses less digits than its factorization.

1231334233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162095.

The product of its digits is 3888, while the sum is 25.

The square root of 1231334233 is about 35090.3723690701. The cubic root of 1231334233 is about 1071.8285422415.

Adding to 1231334233 its reverse (3324331321), we get a palindrome (4555665554).

The spelling of 1231334233 in words is "one billion, two hundred thirty-one million, three hundred thirty-four thousand, two hundred thirty-three".