13240321353 has 12 divisors (see below), whose sum is σ = 21857038528. Its totient is φ = 7565897880.

The previous prime is 13240321343. The next prime is 13240321363. The reversal of 13240321353 is 35312304231.

It is an interprime number because it is at equal distance from previous prime (13240321343) and next prime (13240321363).

It is not a de Polignac number, because 13240321353 - 2⁵ = 13240321321 is a prime.

It is a super-2 number, since 2×13240321353² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13240321343) 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, 105081853 + ... + 105081978.

Almost surely, 2^13240321353 is an apocalyptic number.

It is an amenable number.

13240321353 is a deficient number, since it is larger than the sum of its proper divisors (8616717175).

13240321353 is a wasteful number, since it uses less digits than its factorization.

13240321353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210163844 (or 210163841 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 13240321353 its reverse (35312304231), we get a palindrome (48552625584).

The spelling of 13240321353 in words is "thirteen billion, two hundred forty million, three hundred twenty-one thousand, three hundred fifty-three".