3160731 has 16 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 1761600.

The previous prime is 3160709. The next prime is 3160741. The reversal of 3160731 is 1370613.

3160731 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 3160731 - 2⁵ = 3160699 is a prime.

It is a super-2 number, since 2×3160731² = 19980440908722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3160698 and 3160707.

It is not an unprimeable number, because it can be changed into a prime (3160741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

Almost surely, 2^3160731 is an apocalyptic number.

3160731 is a deficient number, since it is larger than the sum of its proper divisors (1774437).

3160731 is a wasteful number, since it uses less digits than its factorization.

3160731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 3160731 is about 1777.8444813875. The cubic root of 3160731 is about 146.7559929912.

The spelling of 3160731 in words is "three million, one hundred sixty thousand, seven hundred thirty-one".