501210231 has 16 divisors (see below), whose sum is σ = 679324800. Its totient is φ = 328663008.

The previous prime is 501210217. The next prime is 501210233. The reversal of 501210231 is 132012105.

It is not a de Polignac number, because 501210231 - 2¹⁰ = 501209207 is a prime.

It is a super-2 number, since 2×501210231² = 502423391318146722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 501210231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501210233) 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, 39940 + ... + 50966.

It is an arithmetic number, because the mean of its divisors is an integer number (42457800).

Almost surely, 2^501210231 is an apocalyptic number.

501210231 is a deficient number, since it is larger than the sum of its proper divisors (178114569).

501210231 is a wasteful number, since it uses less digits than its factorization.

501210231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11278.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 501210231 is about 22387.7250072445. The cubic root of 501210231 is about 794.3403839983.

Adding to 501210231 its reverse (132012105), we get a palindrome (633222336).

The spelling of 501210231 in words is "five hundred one million, two hundred ten thousand, two hundred thirty-one".