242040225113 has 4 divisors (see below), whose sum is σ = 242047345380. Its totient is φ = 242033104848.

The previous prime is 242040225059. The next prime is 242040225131. The reversal of 242040225113 is 311522040242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 206367592729 + 35672632384 = 454277^2 + 188872^2 .

It is a cyclic number.

It is not a de Polignac number, because 242040225113 - 2¹⁰ = 242040224089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242040225143) 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, 3508898 + ... + 3577211.

It is an arithmetic number, because the mean of its divisors is an integer number (60511836345).

Almost surely, 2^242040225113 is an apocalyptic number.

It is an amenable number.

242040225113 is a deficient number, since it is larger than the sum of its proper divisors (7120267).

242040225113 is an equidigital number, since it uses as much as digits as its factorization.

242040225113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120266.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 242040225113 its reverse (311522040242), we get a palindrome (553562265355).

The spelling of 242040225113 in words is "two hundred forty-two billion, forty million, two hundred twenty-five thousand, one hundred thirteen".