203012103313 has 8 divisors (see below), whose sum is σ = 206992051200. Its totient is φ = 199050124368.

The previous prime is 203012103299. The next prime is 203012103367. The reversal of 203012103313 is 313301210302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203012103313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203012103383) 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, 4469418 + ... + 4514611.

It is an arithmetic number, because the mean of its divisors is an integer number (25874006400).

Almost surely, 2^203012103313 is an apocalyptic number.

It is an amenable number.

203012103313 is a deficient number, since it is larger than the sum of its proper divisors (3979947887).

203012103313 is an equidigital number, since it uses as much as digits as its factorization.

203012103313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984471.

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

Adding to 203012103313 its reverse (313301210302), we get a palindrome (516313313615).

The spelling of 203012103313 in words is "two hundred three billion, twelve million, one hundred three thousand, three hundred thirteen".