241220315231 has 4 divisors (see below), whose sum is σ = 275680360272. Its totient is φ = 206760270192.

The previous prime is 241220315213. The next prime is 241220315263. The reversal of 241220315231 is 132513022142.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-241220315231 is a prime.

It is a super-2 number, since 2×241220315231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 241220315231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241220315201) 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, 17230022510 + ... + 17230022523.

It is an arithmetic number, because the mean of its divisors is an integer number (68920090068).

Almost surely, 2^241220315231 is an apocalyptic number.

241220315231 is a deficient number, since it is larger than the sum of its proper divisors (34460045041).

241220315231 is an equidigital number, since it uses as much as digits as its factorization.

241220315231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34460045040.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 241220315231 its reverse (132513022142), we get a palindrome (373733337373).

The spelling of 241220315231 in words is "two hundred forty-one billion, two hundred twenty million, three hundred fifteen thousand, two hundred thirty-one".