3020313121 has 4 divisors (see below), whose sum is σ = 3451786432. Its totient is φ = 2588839812.

The previous prime is 3020313053. The next prime is 3020313137. The reversal of 3020313121 is 1213130203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3020313121 - 2²¹ = 3018215969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3020313095 and 3020313104.

It is not an unprimeable number, because it can be changed into a prime (3020313161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215736645 + ... + 215736658.

It is an arithmetic number, because the mean of its divisors is an integer number (862946608).

Almost surely, 2^3020313121 is an apocalyptic number.

It is an amenable number.

3020313121 is a deficient number, since it is larger than the sum of its proper divisors (431473311).

3020313121 is an equidigital number, since it uses as much as digits as its factorization.

3020313121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431473310.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3020313121 is about 54957.3754922849. The cubic root of 3020313121 is about 1445.4974275132.

Adding to 3020313121 its reverse (1213130203), we get a palindrome (4233443324).

The spelling of 3020313121 in words is "three billion, twenty million, three hundred thirteen thousand, one hundred twenty-one".