4113731 has 4 divisors (see below), whose sum is σ = 4246464. Its totient is φ = 3981000.

The previous prime is 4113721. The next prime is 4113743. The reversal of 4113731 is 1373114.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4113731 - 2⁶ = 4113667 is a prime.

It is a super-2 number, since 2×4113731² = 33845565480722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4113721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66320 + ... + 66381.

It is an arithmetic number, because the mean of its divisors is an integer number (1061616).

Almost surely, 2^4113731 is an apocalyptic number.

4113731 is a deficient number, since it is larger than the sum of its proper divisors (132733).

4113731 is a wasteful number, since it uses less digits than its factorization.

4113731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132732.

The product of its digits is 252, while the sum is 20.

The square root of 4113731 is about 2028.2334678237. The cubic root of 4113731 is about 160.2305400568.

Adding to 4113731 its reverse (1373114), we get a palindrome (5486845).

The spelling of 4113731 in words is "four million, one hundred thirteen thousand, seven hundred thirty-one".