18241365313 has 16 divisors (see below), whose sum is σ = 19996174080. Its totient is φ = 16563246336.

The previous prime is 18241365287. The next prime is 18241365319. The reversal of 18241365313 is 31356314281.

It is not a de Polignac number, because 18241365313 - 2³³ = 9651430721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18241365319) 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, 640270 + ... + 668152.

It is an arithmetic number, because the mean of its divisors is an integer number (1249760880).

Almost surely, 2^18241365313 is an apocalyptic number.

It is an amenable number.

18241365313 is a deficient number, since it is larger than the sum of its proper divisors (1754808767).

18241365313 is a wasteful number, since it uses less digits than its factorization.

18241365313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29256.

The product of its digits is 51840, while the sum is 37.

Adding to 18241365313 its reverse (31356314281), we get a palindrome (49597679594).

The spelling of 18241365313 in words is "eighteen billion, two hundred forty-one million, three hundred sixty-five thousand, three hundred thirteen".