16344322131 has 16 divisors (see below), whose sum is σ = 22168494720. Its totient is φ = 10708294080.

The previous prime is 16344322109. The next prime is 16344322133. The reversal of 16344322131 is 13122344361.

It is not a de Polignac number, because 16344322131 - 2⁶ = 16344322067 is a prime.

It is a super-2 number, since 2×16344322131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16344322133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666396 + ... + 690486.

It is an arithmetic number, because the mean of its divisors is an integer number (1385530920).

Almost surely, 2^16344322131 is an apocalyptic number.

16344322131 is a deficient number, since it is larger than the sum of its proper divisors (5824172589).

16344322131 is a wasteful number, since it uses less digits than its factorization.

16344322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27986.

The product of its digits is 10368, while the sum is 30.

Adding to 16344322131 its reverse (13122344361), we get a palindrome (29466666492).

The spelling of 16344322131 in words is "sixteen billion, three hundred forty-four million, three hundred twenty-two thousand, one hundred thirty-one".