4242031 has 2 divisors, whose sum is σ = 4242032. Its totient is φ = 4242030.

The previous prime is 4242023. The next prime is 4242059. The reversal of 4242031 is 1302424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4242031 - 2³ = 4242023 is a prime.

It is a super-2 number, since 2×4242031² = 35989654009922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4241996 and 4242014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121015 + 2121016.

It is an arithmetic number, because the mean of its divisors is an integer number (2121016).

Almost surely, 2^4242031 is an apocalyptic number.

4242031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242031 is an equidigital number, since it uses as much as digits as its factorization.

4242031 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 4242031 is about 2059.6191395498. The cubic root of 4242031 is about 161.8792856754.

Adding to 4242031 its reverse (1302424), we get a palindrome (5544455).

The spelling of 4242031 in words is "four million, two hundred forty-two thousand, thirty-one".