4121116731 has 32 divisors (see below), whose sum is σ = 6143244800. Its totient is φ = 2730425760.

The previous prime is 4121116723. The next prime is 4121116733. The reversal of 4121116731 is 1376111214.

4121116731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4121116731 - 2³ = 4121116723 is a prime.

It is a super-2 number, since 2×4121116731² = 33967206221056252722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4121116695 and 4121116704.

It is not an unprimeable number, because it can be changed into a prime (4121116733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4483890 + ... + 4484808.

It is an arithmetic number, because the mean of its divisors is an integer number (191976400).

Almost surely, 2^4121116731 is an apocalyptic number.

4121116731 is a deficient number, since it is larger than the sum of its proper divisors (2022128069).

4121116731 is a wasteful number, since it uses less digits than its factorization.

4121116731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1770 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 4121116731 is about 64195.9245669069. The cubic root of 4121116731 is about 1603.2637456333.

Adding to 4121116731 its reverse (1376111214), we get a palindrome (5497227945).

The spelling of 4121116731 in words is "four billion, one hundred twenty-one million, one hundred sixteen thousand, seven hundred thirty-one".