13112333331 has 4 divisors (see below), whose sum is σ = 17483111112. Its totient is φ = 8741555552.

The previous prime is 13112333317. The next prime is 13112333389. The reversal of 13112333331 is 13333321131.

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 13112333331 - 2¹⁴ = 13112316947 is a prime.

It is a super-3 number, since 3×13112333331³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13112333831) 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, 2185388886 + ... + 2185388891.

It is an arithmetic number, because the mean of its divisors is an integer number (4370777778).

Almost surely, 2^13112333331 is an apocalyptic number.

13112333331 is a deficient number, since it is larger than the sum of its proper divisors (4370777781).

13112333331 is an equidigital number, since it uses as much as digits as its factorization.

13112333331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4370777780.

The product of its digits is 1458, while the sum is 24.

Adding to 13112333331 its reverse (13333321131), we get a palindrome (26445654462).

The spelling of 13112333331 in words is "thirteen billion, one hundred twelve million, three hundred thirty-three thousand, three hundred thirty-one".