3100144021 has 16 divisors (see below), whose sum is σ = 3547657008. Its totient is φ = 2683699200.

The previous prime is 3100144007. The next prime is 3100144027. The reversal of 3100144021 is 1204410013.

It can be written as a sum of positive squares in 8 ways, for example, as 204089796 + 2896054225 = 14286^2 + 53815^2 .

It is not a de Polignac number, because 3100144021 - 2⁵ = 3100143989 is a prime.

It is a super-2 number, since 2×3100144021² = 19221785901884096882, 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 = 3100143986 and 3100144004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100144027) 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, 37141 + ... + 87061.

It is an arithmetic number, because the mean of its divisors is an integer number (221728563).

Almost surely, 2^3100144021 is an apocalyptic number.

It is an amenable number.

3100144021 is a deficient number, since it is larger than the sum of its proper divisors (447512987).

3100144021 is a wasteful number, since it uses less digits than its factorization.

3100144021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50232.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3100144021 is about 55678.9369600390. The cubic root of 3100144021 is about 1458.1223157977.

Adding to 3100144021 its reverse (1204410013), we get a palindrome (4304554034).

The spelling of 3100144021 in words is "three billion, one hundred million, one hundred forty-four thousand, twenty-one".