204030121030313 has 4 divisors (see below), whose sum is σ = 204122735703888. Its totient is φ = 203937506356740.

The previous prime is 204030121030271. The next prime is 204030121030343. The reversal of 204030121030313 is 313030121030402.

204030121030313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 204030121030313 - 2¹⁶ = 204030120964777 is a prime.

It is a super-2 number, since 2×204030121030313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204030121030343) 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, 46307333483 + ... + 46307337888.

It is an arithmetic number, because the mean of its divisors is an integer number (51030683925972).

Almost surely, 2^{204030121030313} is an apocalyptic number.

It is an amenable number.

204030121030313 is a deficient number, since it is larger than the sum of its proper divisors (92614673575).

204030121030313 is an equidigital number, since it uses as much as digits as its factorization.

204030121030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92614673574.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 204030121030313 its reverse (313030121030402), we get a palindrome (517060242060715).

The spelling of 204030121030313 in words is "two hundred four trillion, thirty billion, one hundred twenty-one million, thirty thousand, three hundred thirteen".