503213015320 has 32 divisors (see below), whose sum is σ = 1132361758800. Its totient is φ = 201261655168.

The previous prime is 503213015281. The next prime is 503213015341. The reversal of 503213015320 is 23510312305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387790 + ... + 1075549.

Almost surely, 2^503213015320 is an apocalyptic number.

It is an amenable number.

503213015320 is an abundant number, since it is smaller than the sum of its proper divisors (629148743480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503213015320 is a wasteful number, since it uses less digits than its factorization.

503213015320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471947 (or 1471943 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 503213015320 its reverse (23510312305), we get a palindrome (526723327625).

The spelling of 503213015320 in words is "five hundred three billion, two hundred thirteen million, fifteen thousand, three hundred twenty".