243151200013 has 4 divisors (see below), whose sum is σ = 243658823040. Its totient is φ = 242643576988.

The previous prime is 243151199987. The next prime is 243151200041. The reversal of 243151200013 is 310002151342.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243151200013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243151200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253810795 + ... + 253811752.

It is an arithmetic number, because the mean of its divisors is an integer number (60914705760).

Almost surely, 2^243151200013 is an apocalyptic number.

It is an amenable number.

243151200013 is a deficient number, since it is larger than the sum of its proper divisors (507623027).

243151200013 is an equidigital number, since it uses as much as digits as its factorization.

243151200013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507623026.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 243151200013 its reverse (310002151342), we get a palindrome (553153351355).

The spelling of 243151200013 in words is "two hundred forty-three billion, one hundred fifty-one million, two hundred thousand, thirteen".