511130430 has 48 divisors (see below), whose sum is σ = 1341156960. Its totient is φ = 135048384.

The previous prime is 511130413. The next prime is 511130437. The reversal of 511130430 is 34031115.

It is a super-2 number, since 2×511130430² = 522508632943969800, 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 (511130437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16242 + ... + 35861.

It is an arithmetic number, because the mean of its divisors is an integer number (27940770).

Almost surely, 2^511130430 is an apocalyptic number.

511130430 is an abundant number, since it is smaller than the sum of its proper divisors (830026530).

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

511130430 is a wasteful number, since it uses less digits than its factorization.

511130430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52225 (or 52222 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 511130430 is about 22608.1938685955. The cubic root of 511130430 is about 799.5468423169.

Adding to 511130430 its reverse (34031115), we get a palindrome (545161545).

The spelling of 511130430 in words is "five hundred eleven million, one hundred thirty thousand, four hundred thirty".