503140330 has 192 divisors, whose sum is σ = 1285372800. Its totient is φ = 139829760.

The previous prime is 503140327. The next prime is 503140333. The reversal of 503140330 is 33041305.

It is an interprime number because it is at equal distance from previous prime (503140327) and next prime (503140333).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 503140298 and 503140307.

It is not an unprimeable number, because it can be changed into a prime (503140333) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26481061 + ... + 26481079.

It is an arithmetic number, because the mean of its divisors is an integer number (6694650).

Almost surely, 2^503140330 is an apocalyptic number.

503140330 is an abundant number, since it is smaller than the sum of its proper divisors (782232470).

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

503140330 is a wasteful number, since it uses less digits than its factorization.

503140330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 503140330 is about 22430.7897765549. The cubic root of 503140330 is about 795.3587136916.

Adding to 503140330 its reverse (33041305), we get a palindrome (536181635).

The spelling of 503140330 in words is "five hundred three million, one hundred forty thousand, three hundred thirty".