13312001233 has 4 divisors (see below), whose sum is σ = 13314464100. Its totient is φ = 13309538368.

The previous prime is 13312001221. The next prime is 13312001239. The reversal of 13312001233 is 33210021331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6079009024 + 7232992209 = 77968^2 + 85047^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312001233 - 2¹³ = 13311993041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13312001233.

It is not an unprimeable number, because it can be changed into a prime (13312001239) 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, 1223308 + ... + 1234141.

It is an arithmetic number, because the mean of its divisors is an integer number (3328616025).

Almost surely, 2^13312001233 is an apocalyptic number.

It is an amenable number.

13312001233 is a deficient number, since it is larger than the sum of its proper divisors (2462867).

13312001233 is an equidigital number, since it uses as much as digits as its factorization.

13312001233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462866.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13312001233 its reverse (33210021331), we get a palindrome (46522022564).

The spelling of 13312001233 in words is "thirteen billion, three hundred twelve million, one thousand, two hundred thirty-three".