810323030 has 16 divisors (see below), whose sum is σ = 1591179984. Its totient is φ = 294662880.

The previous prime is 810323029. The next prime is 810323069. The reversal of 810323030 is 30323018.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 810322993 and 810323011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3683177 + ... + 3683396.

It is an arithmetic number, because the mean of its divisors is an integer number (99448749).

Almost surely, 2^810323030 is an apocalyptic number.

810323030 is a deficient number, since it is larger than the sum of its proper divisors (780856954).

810323030 is a wasteful number, since it uses less digits than its factorization.

810323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7366591.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 810323030 is about 28466.1734344467. The cubic root of 810323030 is about 932.2936525165.

Adding to 810323030 its reverse (30323018), we get a palindrome (840646048).

The spelling of 810323030 in words is "eight hundred ten million, three hundred twenty-three thousand, thirty".