3120020313 has 8 divisors (see below), whose sum is σ = 4162668000. Its totient is φ = 2078693088.

The previous prime is 3120020291. The next prime is 3120020329. The reversal of 3120020313 is 3130200213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3120020313 - 2⁶ = 3120020249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3120020292 and 3120020301.

It is not an unprimeable number, because it can be changed into a prime (3120020333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324588 + ... + 334061.

It is an arithmetic number, because the mean of its divisors is an integer number (520333500).

Almost surely, 2^3120020313 is an apocalyptic number.

It is an amenable number.

3120020313 is a deficient number, since it is larger than the sum of its proper divisors (1042647687).

3120020313 is a wasteful number, since it uses less digits than its factorization.

3120020313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660231.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3120020313 is about 55857.1420052978. The cubic root of 3120020313 is about 1461.2318859530.

Adding to 3120020313 its reverse (3130200213), we get a palindrome (6250220526).

The spelling of 3120020313 in words is "three billion, one hundred twenty million, twenty thousand, three hundred thirteen".