1233340313 has 4 divisors (see below), whose sum is σ = 1236189108. Its totient is φ = 1230491520.

The previous prime is 1233340309. The next prime is 1233340343. The reversal of 1233340313 is 3130433321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3130433321 = 967 ⋅3237263.

It can be written as a sum of positive squares in 2 ways, for example, as 344584969 + 888755344 = 18563^2 + 29812^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233340313 - 2² = 1233340309 is a prime.

It is a super-2 number, since 2×1233340313² = 3042256655341875938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1233340343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423748 + ... + 1424613.

It is an arithmetic number, because the mean of its divisors is an integer number (309047277).

Almost surely, 2^1233340313 is an apocalyptic number.

It is an amenable number.

1233340313 is a deficient number, since it is larger than the sum of its proper divisors (2848795).

1233340313 is an equidigital number, since it uses as much as digits as its factorization.

1233340313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848794.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1233340313 is about 35118.9452147982. The cubic root of 1233340313 is about 1072.4102979550.

Adding to 1233340313 its reverse (3130433321), we get a palindrome (4363773634).

The spelling of 1233340313 in words is "one billion, two hundred thirty-three million, three hundred forty thousand, three hundred thirteen".