4020112131 has 16 divisors (see below), whose sum is σ = 6448300800. Its totient is φ = 2176301088.

The previous prime is 4020112099. The next prime is 4020112171. The reversal of 4020112131 is 1312110204.

It is not a de Polignac number, because 4020112131 - 2⁵ = 4020112099 is a prime.

It is a super-2 number, since 2×4020112131² = 32322603091626722322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4020112131.

It is not an unprimeable number, because it can be changed into a prime (4020112171) 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 15 ways as a sum of consecutive naturals, for example, 5037336 + ... + 5038133.

It is an arithmetic number, because the mean of its divisors is an integer number (403018800).

Almost surely, 2^4020112131 is an apocalyptic number.

4020112131 is a deficient number, since it is larger than the sum of its proper divisors (2428188669).

4020112131 is a wasteful number, since it uses less digits than its factorization.

4020112131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075498.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4020112131 is about 63404.3541959068. The cubic root of 4020112131 is about 1590.0571068449.

Adding to 4020112131 its reverse (1312110204), we get a palindrome (5332222335).

The spelling of 4020112131 in words is "four billion, twenty million, one hundred twelve thousand, one hundred thirty-one".