242513315242 has 16 divisors (see below), whose sum is σ = 396905598432. Its totient is φ = 110215095120.

The previous prime is 242513315203. The next prime is 242513315267.

242513315242 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 242513315198 and 242513315207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 774993 + ... + 1041940.

It is an arithmetic number, because the mean of its divisors is an integer number (24806599902).

Almost surely, 2^242513315242 is an apocalyptic number.

242513315242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242513315242 is a deficient number, since it is larger than the sum of its proper divisors (154392283190).

242513315242 is a wasteful number, since it uses less digits than its factorization.

242513315242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823013.

The product of its digits is 57600, while the sum is 34.

It can be divided in two parts, 242513 and 315242, that added together give a palindrome (557755).

The spelling of 242513315242 in words is "two hundred forty-two billion, five hundred thirteen million, three hundred fifteen thousand, two hundred forty-two".