3100005 has 16 divisors (see below), whose sum is σ = 5511360. Its totient is φ = 1653264.

The previous prime is 3099997. The next prime is 3100007. The reversal of 3100005 is 5000013.

It is not a de Polignac number, because 3100005 - 2³ = 3099997 is a prime.

It is a super-2 number, since 2×3100005² = 19220062000050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3100005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100007) 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 15 ways as a sum of consecutive naturals, for example, 11347 + ... + 11616.

It is an arithmetic number, because the mean of its divisors is an integer number (344460).

Almost surely, 2^3100005 is an apocalyptic number.

It is an amenable number.

3100005 is a deficient number, since it is larger than the sum of its proper divisors (2411355).

3100005 is a wasteful number, since it uses less digits than its factorization.

3100005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22977 (or 22971 counting only the distinct ones).

The product of its (nonzero) digits is 15, while the sum is 9.

The square root of 3100005 is about 1760.6831060699. The cubic root of 3100005 is about 145.8100519751.

Adding to 3100005 its reverse (5000013), we get a palindrome (8100018).

The spelling of 3100005 in words is "three million, one hundred thousand, five".