4131731 has 8 divisors (see below), whose sum is σ = 4393440. Its totient is φ = 3872128.

The previous prime is 4131719. The next prime is 4131763. The reversal of 4131731 is 1371314.

It is a happy number.

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 4131731 - 2⁶ = 4131667 is a prime.

It is a super-2 number, since 2×4131731² = 34142402112722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4131781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5765 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (549180).

Almost surely, 2^4131731 is an apocalyptic number.

4131731 is a deficient number, since it is larger than the sum of its proper divisors (261709).

4131731 is a wasteful number, since it uses less digits than its factorization.

4131731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053.

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

The square root of 4131731 is about 2032.6659833824. The cubic root of 4131731 is about 160.4639010697.

The spelling of 4131731 in words is "four million, one hundred thirty-one thousand, seven hundred thirty-one".