4201242131 has 2 divisors, whose sum is σ = 4201242132. Its totient is φ = 4201242130.

The previous prime is 4201242127. The next prime is 4201242163. The reversal of 4201242131 is 1312421024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4201242131 - 2² = 4201242127 is a prime.

It is a super-2 number, since 2×4201242131² = 35300870886578842322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4201242121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100621065 + 2100621066.

It is an arithmetic number, because the mean of its divisors is an integer number (2100621066).

Almost surely, 2^4201242131 is an apocalyptic number.

4201242131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4201242131 is an equidigital number, since it uses as much as digits as its factorization.

4201242131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4201242131 is about 64816.9895243523. The cubic root of 4201242131 is about 1613.5876850883.

Adding to 4201242131 its reverse (1312421024), we get a palindrome (5513663155).

The spelling of 4201242131 in words is "four billion, two hundred one million, two hundred forty-two thousand, one hundred thirty-one".