511330230 has 24 divisors (see below), whose sum is σ = 1329458832. Its totient is φ = 136354704.

The previous prime is 511330217. The next prime is 511330231. The reversal of 511330230 is 32033115.

It is a super-2 number, since 2×511330230² = 522917208223705800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511330231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2840634 + ... + 2840813.

It is an arithmetic number, because the mean of its divisors is an integer number (55394118).

Almost surely, 2^511330230 is an apocalyptic number.

511330230 is an abundant number, since it is smaller than the sum of its proper divisors (818128602).

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

511330230 is a wasteful number, since it uses less digits than its factorization.

511330230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5681460 (or 5681457 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 511330230 is about 22612.6121887764. The cubic root of 511330230 is about 799.6510092373.

Adding to 511330230 its reverse (32033115), we get a palindrome (543363345).

The spelling of 511330230 in words is "five hundred eleven million, three hundred thirty thousand, two hundred thirty".