13404012331 has 8 divisors (see below), whose sum is σ = 13727996480. Its totient is φ = 13080585672.

The previous prime is 13404012317. The next prime is 13404012341. The reversal of 13404012331 is 13321040431.

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 13404012331 - 2¹¹ = 13404010283 is a prime.

It is a super-2 number, since 2×13404012331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404012341) 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, 90501 + ... + 187078.

It is an arithmetic number, because the mean of its divisors is an integer number (1715999560).

Almost surely, 2^13404012331 is an apocalyptic number.

13404012331 is a deficient number, since it is larger than the sum of its proper divisors (323984149).

13404012331 is a wasteful number, since it uses less digits than its factorization.

13404012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278745.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13404012331 its reverse (13321040431), we get a palindrome (26725052762).

The spelling of 13404012331 in words is "thirteen billion, four hundred four million, twelve thousand, three hundred thirty-one".