16231313108 has 24 divisors (see below), whose sum is σ = 31112764200. Its totient is φ = 7374875648.

The previous prime is 16231313101. The next prime is 16231313113. The reversal of 16231313108 is 80131313261.

It can be written as a sum of positive squares in 4 ways, for example, as 679227844 + 15552085264 = 26062^2 + 124708^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16231313101) 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, 4113473 + ... + 4117416.

It is an arithmetic number, because the mean of its divisors is an integer number (1296365175).

Almost surely, 2^16231313108 is an apocalyptic number.

It is an amenable number.

16231313108 is a deficient number, since it is larger than the sum of its proper divisors (14881451092).

16231313108 is a wasteful number, since it uses less digits than its factorization.

16231313108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230939 (or 8230937 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 16231313108 its reverse (80131313261), we get a palindrome (96362626369).

The spelling of 16231313108 in words is "sixteen billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred eight".