203012013313 has 4 divisors (see below), whose sum is σ = 209560787968. Its totient is φ = 196463238660.

The previous prime is 203012013311. The next prime is 203012013319. The reversal of 203012013313 is 313310210302.

203012013313 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, and also an emirpimes, since its reverse is a distinct semiprime: 313310210302 = 2 ⋅156655105151.

It is a cyclic number.

It is not a de Polignac number, because 203012013313 - 2¹ = 203012013311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203012013311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3274387281 + ... + 3274387342.

It is an arithmetic number, because the mean of its divisors is an integer number (52390196992).

Almost surely, 2^203012013313 is an apocalyptic number.

It is an amenable number.

203012013313 is a deficient number, since it is larger than the sum of its proper divisors (6548774655).

203012013313 is an equidigital number, since it uses as much as digits as its factorization.

203012013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6548774654.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203012013313 its reverse (313310210302), we get a palindrome (516322223615).

The spelling of 203012013313 in words is "two hundred three billion, twelve million, thirteen thousand, three hundred thirteen".