3013020021321 has 32 divisors (see below), whose sum is σ = 4524689571840. Its totient is φ = 2006080337520.

The previous prime is 3013020021317. The next prime is 3013020021367. The reversal of 3013020021321 is 1231200203103.

3013020021321 is a `hidden beast` number, since 301 + 3 + 0 + 20 + 0 + 21 + 321 = 666.

It is not a de Polignac number, because 3013020021321 - 2² = 3013020021317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3013020021294 and 3013020021303.

It is not an unprimeable number, because it can be changed into a prime (3013020021371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799416 + ... + 2581686.

It is an arithmetic number, because the mean of its divisors is an integer number (141396549120).

Almost surely, 2^{3013020021321} is an apocalyptic number.

It is an amenable number.

3013020021321 is a deficient number, since it is larger than the sum of its proper divisors (1511669550519).

3013020021321 is an frugal number, since it uses more digits than its factorization.

3013020021321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783065 (or 1783047 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 3013020021321 its reverse (1231200203103), we get a palindrome (4244220224424).

The spelling of 3013020021321 in words is "three trillion, thirteen billion, twenty million, twenty-one thousand, three hundred twenty-one".