4242442131 has 6 divisors (see below), whose sum is σ = 6127971980. Its totient is φ = 2828294748.

The previous prime is 4242442129. The next prime is 4242442133. The reversal of 4242442131 is 1312442424.

4242442131 is a `hidden beast` number, since 424 + 24 + 4 + 213 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4242442129) and next prime (4242442133).

It is not a de Polignac number, because 4242442131 - 2¹ = 4242442129 is a prime.

It is a super-2 number, since 2×4242442131² = 35996630469767642322, 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 = 4242442095 and 4242442104.

It is not an unprimeable number, because it can be changed into a prime (4242442133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235691221 + ... + 235691238.

Almost surely, 2^4242442131 is an apocalyptic number.

4242442131 is a deficient number, since it is larger than the sum of its proper divisors (1885529849).

4242442131 is a wasteful number, since it uses less digits than its factorization.

4242442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471382465 (or 471382462 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 4242442131 is about 65134.0320493058. The cubic root of 4242442131 is about 1618.8451520202.

Adding to 4242442131 its reverse (1312442424), we get a palindrome (5554884555).

The spelling of 4242442131 in words is "four billion, two hundred forty-two million, four hundred forty-two thousand, one hundred thirty-one".