3123030071 has 16 divisors (see below), whose sum is σ = 3592015680. Its totient is φ = 2659806720.

The previous prime is 3123030047. The next prime is 3123030109. The reversal of 3123030071 is 1700303213.

It is a happy number.

3123030071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3123030071 - 2²² = 3118835767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123030011) 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, 856865 + ... + 860501.

It is an arithmetic number, because the mean of its divisors is an integer number (224500980).

Almost surely, 2^3123030071 is an apocalyptic number.

3123030071 is a deficient number, since it is larger than the sum of its proper divisors (468985609).

3123030071 is a wasteful number, since it uses less digits than its factorization.

3123030071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 3123030071 is about 55884.0770792540. The cubic root of 3123030071 is about 1461.7015988072.

Adding to 3123030071 its reverse (1700303213), we get a palindrome (4823333284).

The spelling of 3123030071 in words is "three billion, one hundred twenty-three million, thirty thousand, seventy-one".