242004031 has 2 divisors, whose sum is σ = 242004032. Its totient is φ = 242004030.

The previous prime is 242004023. The next prime is 242004041. The reversal of 242004031 is 130400242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242004031 - 2³ = 242004023 is a prime.

It is a super-2 number, since 2×242004031² = 117131902040497922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242003996 and 242004014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242004001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121002015 + 121002016.

It is an arithmetic number, because the mean of its divisors is an integer number (121002016).

Almost surely, 2^242004031 is an apocalyptic number.

242004031 is a deficient number, since it is larger than the sum of its proper divisors (1).

242004031 is an equidigital number, since it uses as much as digits as its factorization.

242004031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 242004031 is about 15556.4787468116. The cubic root of 242004031 is about 623.1714284592.

Adding to 242004031 its reverse (130400242), we get a palindrome (372404273).

The spelling of 242004031 in words is "two hundred forty-two million, four thousand, thirty-one".