203013300313321 has 8 divisors (see below), whose sum is σ = 208261513074888. Its totient is φ = 197779214640000.

The previous prime is 203013300313279. The next prime is 203013300313357. The reversal of 203013300313321 is 123313003310302.

It can be written as a sum of positive squares in 4 ways, for example, as 17232992797696 + 185780307515625 = 4151264^2 + 13630125^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 203013300313321 - 2¹¹ = 203013300311273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203013300313721) 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, 3531742950 + ... + 3531800431.

It is an arithmetic number, because the mean of its divisors is an integer number (26032689134361).

Almost surely, 2^{203013300313321} is an apocalyptic number.

It is an amenable number.

203013300313321 is a deficient number, since it is larger than the sum of its proper divisors (5248212761567).

203013300313321 is an equidigital number, since it uses as much as digits as its factorization.

203013300313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063544123.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 203013300313321 its reverse (123313003310302), we get a palindrome (326326303623623).

The spelling of 203013300313321 in words is "two hundred three trillion, thirteen billion, three hundred million, three hundred thirteen thousand, three hundred twenty-one".