203775130513 has 8 divisors (see below), whose sum is σ = 204304867200. Its totient is φ = 203245601328.

The previous prime is 203775130501. The next prime is 203775130567. The reversal of 203775130513 is 315031577302.

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-203775130513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203775130313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021923 + ... + 2120311.

It is an arithmetic number, because the mean of its divisors is an integer number (25538108400).

Almost surely, 2^203775130513 is an apocalyptic number.

It is an amenable number.

203775130513 is a deficient number, since it is larger than the sum of its proper divisors (529736687).

203775130513 is an equidigital number, since it uses as much as digits as its factorization.

203775130513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103751.

The product of its (nonzero) digits is 66150, while the sum is 37.

The spelling of 203775130513 in words is "two hundred three billion, seven hundred seventy-five million, one hundred thirty thousand, five hundred thirteen".