4242431031 has 4 divisors (see below), whose sum is σ = 5656574712. Its totient is φ = 2828287352.

The previous prime is 4242431023. The next prime is 4242431033. The reversal of 4242431031 is 1301342424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4242431031 - 2³ = 4242431023 is a prime.

It is a super-2 number, since 2×4242431031² = 35996442105583445922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4242430992 and 4242431010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242431033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707071836 + ... + 707071841.

It is an arithmetic number, because the mean of its divisors is an integer number (1414143678).

Almost surely, 2^4242431031 is an apocalyptic number.

4242431031 is a deficient number, since it is larger than the sum of its proper divisors (1414143681).

4242431031 is a wasteful number, since it uses less digits than its factorization.

4242431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414143680.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4242431031 is about 65133.9468403382. The cubic root of 4242431031 is about 1618.8437401607.

Adding to 4242431031 its reverse (1301342424), we get a palindrome (5543773455).

The spelling of 4242431031 in words is "four billion, two hundred forty-two million, four hundred thirty-one thousand, thirty-one".