13404040331 has 8 divisors (see below), whose sum is σ = 14624634864. Its totient is φ = 12183786720.

The previous prime is 13404040327. The next prime is 13404040399. The reversal of 13404040331 is 13304040431.

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

It is a cyclic number.

It is not a de Polignac number, because 13404040331 - 2² = 13404040327 is a prime.

It is a super-2 number, since 2×13404040331² (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 = 13404040297 and 13404040306.

It is not an unprimeable number, because it can be changed into a prime (13404040231) 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, 761 + ... + 163733.

It is an arithmetic number, because the mean of its divisors is an integer number (1828079358).

Almost surely, 2^13404040331 is an apocalyptic number.

13404040331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13404040331 is a deficient number, since it is larger than the sum of its proper divisors (1220594533).

13404040331 is a wasteful number, since it uses less digits than its factorization.

13404040331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170461.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 13404040331 its reverse (13304040431), we get a palindrome (26708080762).

The spelling of 13404040331 in words is "thirteen billion, four hundred four million, forty thousand, three hundred thirty-one".