4012043131 has 8 divisors (see below), whose sum is σ = 4105604880. Its totient is φ = 3919143072.

The previous prime is 4012043083. The next prime is 4012043141. The reversal of 4012043131 is 1313402104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4012043131 is a prime.

It is a super-2 number, since 2×4012043131² = 32192980170008566322, 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 = 4012043099 and 4012043108.

It is not an unprimeable number, because it can be changed into a prime (4012043141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153145 + ... + 177418.

It is an arithmetic number, because the mean of its divisors is an integer number (513200610).

Almost surely, 2^4012043131 is an apocalyptic number.

4012043131 is a deficient number, since it is larger than the sum of its proper divisors (93561749).

4012043131 is a wasteful number, since it uses less digits than its factorization.

4012043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330845.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4012043131 is about 63340.6909577090. The cubic root of 4012043131 is about 1588.9925623727.

Adding to 4012043131 its reverse (1313402104), we get a palindrome (5325445235).

The spelling of 4012043131 in words is "four billion, twelve million, forty-three thousand, one hundred thirty-one".