3100550012 has 12 divisors (see below), whose sum is σ = 6201100080. Its totient is φ = 1328807136.

The previous prime is 3100550009. The next prime is 3100550023. The reversal of 3100550012 is 2100550013.

3100550012 is an admirable number.

It is a super-2 number, since 2×3100550012² = 19226820753826400288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55366937 + ... + 55366992.

It is an arithmetic number, because the mean of its divisors is an integer number (516758340).

Almost surely, 2^3100550012 is an apocalyptic number.

It is an amenable number.

3100550012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3100550012 is a wasteful number, since it uses less digits than its factorization.

3100550012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110733940 (or 110733938 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3100550012 is about 55682.5826628040. The cubic root of 3100550012 is about 1458.1859643135.

Subtracting from 3100550012 its reverse (2100550013), we obtain a palindrome (999999999).

The spelling of 3100550012 in words is "three billion, one hundred million, five hundred fifty thousand, twelve".