242031113 has 4 divisors (see below), whose sum is σ = 242269188. Its totient is φ = 241793040.

The previous prime is 242031089. The next prime is 242031131. The reversal of 242031113 is 311130242.

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 122500624 + 119530489 = 11068^2 + 10933^2 .

It is a cyclic number.

It is not a de Polignac number, because 242031113 - 2²⁶ = 174922249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242031091 and 242031100.

It is not an unprimeable number, because it can be changed into a prime (242031143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117506 + ... + 119547.

It is an arithmetic number, because the mean of its divisors is an integer number (60567297).

Almost surely, 2^242031113 is an apocalyptic number.

It is an amenable number.

242031113 is a deficient number, since it is larger than the sum of its proper divisors (238075).

242031113 is a wasteful number, since it uses less digits than its factorization.

242031113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238074.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 242031113 is about 15557.3491636590. The cubic root of 242031113 is about 623.1946733876.

Adding to 242031113 its reverse (311130242), we get a palindrome (553161355).

It can be divided in two parts, 2420 and 31113, that added together give a palindrome (33533).

The spelling of 242031113 in words is "two hundred forty-two million, thirty-one thousand, one hundred thirteen".