4020344131 has 8 divisors (see below), whose sum is σ = 4061679104. Its totient is φ = 3979160640.

The previous prime is 4020344077. The next prime is 4020344137. The reversal of 4020344131 is 1314430204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4020344131 - 2²³ = 4011955523 is a prime.

It is a super-2 number, since 2×4020344131² = 32326333863332290322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020344137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15871 + ... + 91063.

It is an arithmetic number, because the mean of its divisors is an integer number (507709888).

Almost surely, 2^4020344131 is an apocalyptic number.

4020344131 is a deficient number, since it is larger than the sum of its proper divisors (41334973).

4020344131 is a wasteful number, since it uses less digits than its factorization.

4020344131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75741.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4020344131 is about 63406.1836968604. The cubic root of 4020344131 is about 1590.0876935666.

Adding to 4020344131 its reverse (1314430204), we get a palindrome (5334774335).

The spelling of 4020344131 in words is "four billion, twenty million, three hundred forty-four thousand, one hundred thirty-one".