4161031 has 6 divisors (see below), whose sum is σ = 4840440. Its totient is φ = 3566556.

The previous prime is 4161023. The next prime is 4161061. The reversal of 4161031 is 1301614.

It is not a de Polignac number, because 4161031 - 2³ = 4161023 is a prime.

It is a super-2 number, since 2×4161031² = 34628357965922, 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 = 4160996 and 4161014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42411 + ... + 42508.

It is an arithmetic number, because the mean of its divisors is an integer number (806740).

Almost surely, 2^4161031 is an apocalyptic number.

4161031 is a deficient number, since it is larger than the sum of its proper divisors (679409).

4161031 is an equidigital number, since it uses as much as digits as its factorization.

4161031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84933 (or 84926 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 4161031 is about 2039.8605344484. The cubic root of 4161031 is about 160.8423156828.

Adding to 4161031 its reverse (1301614), we get a palindrome (5462645).

The spelling of 4161031 in words is "four million, one hundred sixty-one thousand, thirty-one".