3130330021 has 16 divisors (see below), whose sum is σ = 3874019968. Its totient is φ = 2463048000.

The previous prime is 3130329973. The next prime is 3130330051. The reversal of 3130330021 is 1200330313.

3130330021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3130330021 - 2⁷ = 3130329893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3130329977 and 3130330004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130330051) 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, 78555 + ... + 111496.

It is an arithmetic number, because the mean of its divisors is an integer number (242126248).

Almost surely, 2^3130330021 is an apocalyptic number.

It is an amenable number.

3130330021 is a deficient number, since it is larger than the sum of its proper divisors (743689947).

3130330021 is a wasteful number, since it uses less digits than its factorization.

3130330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190252.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3130330021 is about 55949.3522840077. The cubic root of 3130330021 is about 1462.8396010353.

Adding to 3130330021 its reverse (1200330313), we get a palindrome (4330660334).

The spelling of 3130330021 in words is "three billion, one hundred thirty million, three hundred thirty thousand, twenty-one".