16004342331 has 12 divisors (see below), whose sum is σ = 23122096608. Its totient is φ = 10667386224.

The previous prime is 16004342323. The next prime is 16004342353. The reversal of 16004342331 is 13324340061.

16004342331 is a `hidden beast` number, since 1 + 600 + 4 + 3 + 4 + 23 + 31 = 666.

It is not a de Polignac number, because 16004342331 - 2³ = 16004342323 is a prime.

It is a super-2 number, since 2×16004342331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16004342295 and 16004342304.

It is not an unprimeable number, because it can be changed into a prime (16004342311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134035 + ... + 223548.

It is an arithmetic number, because the mean of its divisors is an integer number (1926841384).

Almost surely, 2^16004342331 is an apocalyptic number.

16004342331 is a deficient number, since it is larger than the sum of its proper divisors (7117754277).

16004342331 is a wasteful number, since it uses less digits than its factorization.

16004342331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362562 (or 362559 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 16004342331 its reverse (13324340061), we get a palindrome (29328682392).

The spelling of 16004342331 in words is "sixteen billion, four million, three hundred forty-two thousand, three hundred thirty-one".