302020320013121 has 4 divisors (see below), whose sum is σ = 302020354776000. Its totient is φ = 302020285250244.

The previous prime is 302020320013117. The next prime is 302020320013123. The reversal of 302020320013121 is 121310023020203.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 302020320013121 - 2² = 302020320013117 is a prime.

It is a super-2 number, since 2×302020320013121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 302020320013093 and 302020320013102.

It is not an unprimeable number, because it can be changed into a prime (302020320013123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8230580 + ... + 25918778.

It is an arithmetic number, because the mean of its divisors is an integer number (75505088694000).

Almost surely, 2^{302020320013121} is an apocalyptic number.

It is an amenable number.

302020320013121 is a deficient number, since it is larger than the sum of its proper divisors (34762879).

302020320013121 is a wasteful number, since it uses less digits than its factorization.

302020320013121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34762878.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 302020320013121 its reverse (121310023020203), we get a palindrome (423330343033324).

The spelling of 302020320013121 in words is "three hundred two trillion, twenty billion, three hundred twenty million, thirteen thousand, one hundred twenty-one".