811020130 has 32 divisors (see below), whose sum is σ = 1538170560. Its totient is φ = 307033920.

The previous prime is 811020113. The next prime is 811020143. The reversal of 811020130 is 31020118.

811020130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342912 + ... + 345268.

It is an arithmetic number, because the mean of its divisors is an integer number (48067830).

Almost surely, 2^811020130 is an apocalyptic number.

811020130 is a deficient number, since it is larger than the sum of its proper divisors (727150430).

811020130 is a wasteful number, since it uses less digits than its factorization.

811020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 811020130 is about 28478.4151595555. The cubic root of 811020130 is about 932.5609186172.

Adding to 811020130 its reverse (31020118), we get a palindrome (842040248).

The spelling of 811020130 in words is "eight hundred eleven million, twenty thousand, one hundred thirty".