503145503313 has 16 divisors (see below), whose sum is σ = 675079816320. Its totient is φ = 333326489984.

The previous prime is 503145503293. The next prime is 503145503351. The reversal of 503145503313 is 313305541305.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 503145503313 - 2¹⁰ = 503145502289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (503145503363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363918 + ... + 1067111.

It is an arithmetic number, because the mean of its divisors is an integer number (42192488520).

Almost surely, 2^503145503313 is an apocalyptic number.

It is an amenable number.

503145503313 is a deficient number, since it is larger than the sum of its proper divisors (171934313007).

503145503313 is a wasteful number, since it uses less digits than its factorization.

503145503313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431768.

The product of its (nonzero) digits is 40500, while the sum is 33.

The spelling of 503145503313 in words is "five hundred three billion, one hundred forty-five million, five hundred three thousand, three hundred thirteen".