13002341531 has 4 divisors (see below), whose sum is σ = 13567660752. Its totient is φ = 12437022312.

The previous prime is 13002341509. The next prime is 13002341549. The reversal of 13002341531 is 13514320031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13514320031 = 33769 ⋅400199.

It is a cyclic number.

It is not a de Polignac number, because 13002341531 - 2⁶ = 13002341467 is a prime.

It is a super-4 number, since 4×13002341531⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 565319197 = 13002341531 / (1 + 3 + 0 + 0 + 2 + 3 + 4 + 1 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13002341497 and 13002341506.

It is not an unprimeable number, because it can be changed into a prime (13002341551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282659576 + ... + 282659621.

It is an arithmetic number, because the mean of its divisors is an integer number (3391915188).

Almost surely, 2^13002341531 is an apocalyptic number.

13002341531 is a deficient number, since it is larger than the sum of its proper divisors (565319221).

13002341531 is an equidigital number, since it uses as much as digits as its factorization.

13002341531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565319220.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 13002341531 its reverse (13514320031), we get a palindrome (26516661562).

The spelling of 13002341531 in words is "thirteen billion, two million, three hundred forty-one thousand, five hundred thirty-one".