3100987 has 8 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 2880384.

The previous prime is 3100957. The next prime is 3100991. The reversal of 3100987 is 7890013.

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 3100987 - 2¹¹ = 3098939 is a prime.

It is a super-2 number, since 2×3100987² = 19232240748338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3100927) 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, 189 + ... + 2497.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^3100987 is an apocalyptic number.

3100987 is a deficient number, since it is larger than the sum of its proper divisors (225413).

3100987 is a wasteful number, since it uses less digits than its factorization.

3100987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 3100987 is about 1760.9619530245. The cubic root of 3100987 is about 145.8254466120.

The spelling of 3100987 in words is "three million, one hundred thousand, nine hundred eighty-seven".