501130203 has 16 divisors (see below), whose sum is σ = 779212800. Its totient is φ = 286359528.

The previous prime is 501130171. The next prime is 501130207. The reversal of 501130203 is 302031105.

It is a happy number.

It is not a de Polignac number, because 501130203 - 2⁵ = 501130171 is a prime.

It is a super-2 number, since 2×501130203² = 502262960717642418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (501130207) 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, 242475 + ... + 244532.

It is an arithmetic number, because the mean of its divisors is an integer number (48700800).

Almost surely, 2^501130203 is an apocalyptic number.

501130203 is a deficient number, since it is larger than the sum of its proper divisors (278082597).

501130203 is an equidigital number, since it uses as much as digits as its factorization.

501130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487031 (or 487017 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 501130203 is about 22385.9376171739. The cubic root of 501130203 is about 794.2981044304.

Adding to 501130203 its reverse (302031105), we get a palindrome (803161308).

The spelling of 501130203 in words is "five hundred one million, one hundred thirty thousand, two hundred three".