3100030985 has 16 divisors (see below), whose sum is σ = 3754298496. Its totient is φ = 2457278208.

The previous prime is 3100030961. The next prime is 3100030987. The reversal of 3100030985 is 5890300013.

It is a cyclic number.

It is not a de Polignac number, because 3100030985 - 2¹² = 3100026889 is a prime.

It is a super-2 number, since 2×3100030985² = 19220384215920140450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3100030987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269012 + ... + 280298.

It is an arithmetic number, because the mean of its divisors is an integer number (234643656).

Almost surely, 2^3100030985 is an apocalyptic number.

It is an amenable number.

3100030985 is a deficient number, since it is larger than the sum of its proper divisors (654267511).

3100030985 is a wasteful number, since it uses less digits than its factorization.

3100030985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11792.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3100030985 is about 55677.9218811191. The cubic root of 3100030985 is about 1458.1045937912.

Adding to 3100030985 its reverse (5890300013), we get a palindrome (8990330998).

The spelling of 3100030985 in words is "three billion, one hundred million, thirty thousand, nine hundred eighty-five".