242661120313 has 8 divisors (see below), whose sum is σ = 244015747976. Its totient is φ = 241306646400.

The previous prime is 242661120301. The next prime is 242661120379. The reversal of 242661120313 is 313021166242.

It can be written as a sum of positive squares in 4 ways, for example, as 37911205264 + 204749915049 = 194708^2 + 452493^2 .

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-242661120313 is a prime.

It is a super-2 number, since 2×242661120313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242661129313) 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, 4853623 + ... + 4903363.

It is an arithmetic number, because the mean of its divisors is an integer number (30501968497).

Almost surely, 2^242661120313 is an apocalyptic number.

It is an amenable number.

242661120313 is a deficient number, since it is larger than the sum of its proper divisors (1354627663).

242661120313 is a wasteful number, since it uses less digits than its factorization.

242661120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76875.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 242661120313 its reverse (313021166242), we get a palindrome (555682286555).

The spelling of 242661120313 in words is "two hundred forty-two billion, six hundred sixty-one million, one hundred twenty thousand, three hundred thirteen".