13113333331 has 8 divisors (see below), whose sum is σ = 15210348800. Its totient is φ = 11072238408.

The previous prime is 13113333323. The next prime is 13113333353. The reversal of 13113333331 is 13333331131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13113333331 - 2³ = 13113333323 is a prime.

It is a super-2 number, since 2×13113333331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13113333296 and 13113333305.

It is not an unprimeable number, because it can be changed into a prime (13113333301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13979631 + ... + 13980568.

It is an arithmetic number, because the mean of its divisors is an integer number (1901293600).

Almost surely, 2^13113333331 is an apocalyptic number.

13113333331 is a deficient number, since it is larger than the sum of its proper divisors (2097015469).

13113333331 is an equidigital number, since it uses as much as digits as its factorization.

13113333331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27960273.

The product of its digits is 2187, while the sum is 25.

Adding to 13113333331 its reverse (13333331131), we get a palindrome (26446664462).

The spelling of 13113333331 in words is "thirteen billion, one hundred thirteen million, three hundred thirty-three thousand, three hundred thirty-one".