1313224133 has 12 divisors (see below), whose sum is σ = 1452276288. Its totient is φ = 1186408080.

The previous prime is 1313224117. The next prime is 1313224141. The reversal of 1313224133 is 3314223131.

It is not a de Polignac number, because 1313224133 - 2⁴ = 1313224117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1313224099 and 1313224108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313224193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74723 + ... + 90608.

It is an arithmetic number, because the mean of its divisors is an integer number (121023024).

Almost surely, 2^1313224133 is an apocalyptic number.

1313224133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1313224133 is a deficient number, since it is larger than the sum of its proper divisors (139052155).

1313224133 is a wasteful number, since it uses less digits than its factorization.

1313224133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165404 (or 165391 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 1313224133 is about 36238.4344722561. The cubic root of 1313224133 is about 1095.0811037833.

Adding to 1313224133 its reverse (3314223131), we get a palindrome (4627447264).

The spelling of 1313224133 in words is "one billion, three hundred thirteen million, two hundred twenty-four thousand, one hundred thirty-three".