320024505113 has 16 divisors (see below), whose sum is σ = 348188927760. Its totient is φ = 292906285056.

The previous prime is 320024505109. The next prime is 320024505167. The reversal of 320024505113 is 311505420023.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 28254920464 + 291769584649 = 168092^2 + 540157^2 .

It is a cyclic number.

It is not a de Polignac number, because 320024505113 - 2² = 320024505109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320024505013) 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, 1084253 + ... + 1347461.

It is an arithmetic number, because the mean of its divisors is an integer number (21761807985).

Almost surely, 2^320024505113 is an apocalyptic number.

It is an amenable number.

320024505113 is a deficient number, since it is larger than the sum of its proper divisors (28164422647).

320024505113 is a wasteful number, since it uses less digits than its factorization.

320024505113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265196.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 320024505113 its reverse (311505420023), we get a palindrome (631529925136).

The spelling of 320024505113 in words is "three hundred twenty billion, twenty-four million, five hundred five thousand, one hundred thirteen".