14531243320 has 96 divisors (see below), whose sum is σ = 37829509200. Its totient is φ = 5005946880.

The previous prime is 14531243299. The next prime is 14531243381. The reversal of 14531243320 is 2334213541.

It is a happy number.

It is a super-2 number, since 2×14531243320² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12952 + ... + 170968.

Almost surely, 2^14531243320 is an apocalyptic number.

14531243320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14531243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18914754600).

14531243320 is an abundant number, since it is smaller than the sum of its proper divisors (23298265880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14531243320 is a wasteful number, since it uses less digits than its factorization.

14531243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158069 (or 158054 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 14531243320 its reverse (2334213541), we get a palindrome (16865456861).

The spelling of 14531243320 in words is "fourteen billion, five hundred thirty-one million, two hundred forty-three thousand, three hundred twenty".