242531302310321 has 8 divisors (see below), whose sum is σ = 242669337803424. Its totient is φ = 242393278200480.

The previous prime is 242531302310281. The next prime is 242531302310371. The reversal of 242531302310321 is 123013203135242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242531302310321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242531302310371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39961346 + ... + 45628628.

It is an arithmetic number, because the mean of its divisors is an integer number (30333667225428).

Almost surely, 2^{242531302310321} is an apocalyptic number.

It is an amenable number.

242531302310321 is a deficient number, since it is larger than the sum of its proper divisors (138035493103).

242531302310321 is a wasteful number, since it uses less digits than its factorization.

242531302310321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5691631.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 242531302310321 its reverse (123013203135242), we get a palindrome (365544505445563).

The spelling of 242531302310321 in words is "two hundred forty-two trillion, five hundred thirty-one billion, three hundred two million, three hundred ten thousand, three hundred twenty-one".