301121010013 has 4 divisors (see below), whose sum is σ = 318834010620. Its totient is φ = 283408009408.

The previous prime is 301121009951. The next prime is 301121010019. The reversal of 301121010013 is 310010121103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310010121103 = 103 ⋅3009807001.

It can be written as a sum of positive squares in 2 ways, for example, as 226931235129 + 74189774884 = 476373^2 + 272378^2 .

It is a cyclic number.

It is not a de Polignac number, because 301121010013 - 2¹³ = 301121001821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 301121009975 and 301121010002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301121010019) 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, 8856500278 + ... + 8856500311.

It is an arithmetic number, because the mean of its divisors is an integer number (79708502655).

Almost surely, 2^301121010013 is an apocalyptic number.

It is an amenable number.

301121010013 is a deficient number, since it is larger than the sum of its proper divisors (17713000607).

301121010013 is a wasteful number, since it uses less digits than its factorization.

301121010013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713000606.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 301121010013 its reverse (310010121103), we get a palindrome (611131131116).

The spelling of 301121010013 in words is "three hundred one billion, one hundred twenty-one million, ten thousand, thirteen".