242413131 has 4 divisors (see below), whose sum is σ = 323217512. Its totient is φ = 161608752.

The previous prime is 242413121. The next prime is 242413133. The reversal of 242413131 is 131314242.

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-242413131 is a prime.

It is a super-2 number, since 2×242413131² = 117528252162446322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242413098 and 242413107.

It is not an unprimeable number, because it can be changed into a prime (242413133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40402186 + ... + 40402191.

It is an arithmetic number, because the mean of its divisors is an integer number (80804378).

Almost surely, 2^242413131 is an apocalyptic number.

242413131 is a deficient number, since it is larger than the sum of its proper divisors (80804381).

242413131 is an equidigital number, since it uses as much as digits as its factorization.

242413131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80804380.

The product of its digits is 576, while the sum is 21.

The square root of 242413131 is about 15569.6220570700. The cubic root of 242413131 is about 623.5223811678.

Adding to 242413131 its reverse (131314242), we get a palindrome (373727373).

It can be divided in two parts, 24241 and 3131, that added together give a palindrome (27372).

The spelling of 242413131 in words is "two hundred forty-two million, four hundred thirteen thousand, one hundred thirty-one".