13033243331 has 4 divisors (see below), whose sum is σ = 13128376632. Its totient is φ = 12938110032.

The previous prime is 13033243309. The next prime is 13033243337. The reversal of 13033243331 is 13334233031.

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

It is a cyclic number.

It is not a de Polignac number, because 13033243331 - 2¹⁸ = 13032981187 is a prime.

It is a super-2 number, since 2×13033243331² (a number of 21 digits) contains 22 as substring.

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 13033243331.

It is not an unprimeable number, because it can be changed into a prime (13033243337) 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, 47566445 + ... + 47566718.

It is an arithmetic number, because the mean of its divisors is an integer number (3282094158).

Almost surely, 2^13033243331 is an apocalyptic number.

13033243331 is a deficient number, since it is larger than the sum of its proper divisors (95133301).

13033243331 is an equidigital number, since it uses as much as digits as its factorization.

13033243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95133300.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 13033243331 its reverse (13334233031), we get a palindrome (26367476362).

The spelling of 13033243331 in words is "thirteen billion, thirty-three million, two hundred forty-three thousand, three hundred thirty-one".