13344403331 has 8 divisors (see below), whose sum is σ = 15776634720. Its totient is φ = 11043643968.

The previous prime is 13344403307. The next prime is 13344403337. The reversal of 13344403331 is 13330444331.

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

It is not a de Polignac number, because 13344403331 - 2²² = 13340209027 is a prime.

It is a super-2 number, since 2×13344403331² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 13344403294 and 13344403303.

It is not an unprimeable number, because it can be changed into a prime (13344403337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32867786 + ... + 32868191.

It is an arithmetic number, because the mean of its divisors is an integer number (1972079340).

Almost surely, 2^13344403331 is an apocalyptic number.

13344403331 is a deficient number, since it is larger than the sum of its proper divisors (2432231389).

13344403331 is an equidigital number, since it uses as much as digits as its factorization.

13344403331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65736013.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 13344403331 its reverse (13330444331), we get a palindrome (26674847662).

The spelling of 13344403331 in words is "thirteen billion, three hundred forty-four million, four hundred three thousand, three hundred thirty-one".