1313224233 has 8 divisors (see below), whose sum is σ = 1754563008. Its totient is φ = 873684144.

The previous prime is 1313224217. The next prime is 1313224267. The reversal of 1313224233 is 3324223131.

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

It is not a de Polignac number, because 1313224233 - 2⁴ = 1313224217 is a prime.

It is a super-2 number, since 2×1313224233² = 3449115772276876578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1313224933) 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, 447966 + ... + 450887.

It is an arithmetic number, because the mean of its divisors is an integer number (219320376).

Almost surely, 2^1313224233 is an apocalyptic number.

It is an amenable number.

1313224233 is a deficient number, since it is larger than the sum of its proper divisors (441338775).

1313224233 is an equidigital number, since it uses as much as digits as its factorization.

1313224233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899343.

The product of its digits is 2592, while the sum is 24.

The square root of 1313224233 is about 36238.4358520066. The cubic root of 1313224233 is about 1095.0811315795.

Adding to 1313224233 its reverse (3324223131), we get a palindrome (4637447364).

The spelling of 1313224233 in words is "one billion, three hundred thirteen million, two hundred twenty-four thousand, two hundred thirty-three".