1801831130 has 16 divisors (see below), whose sum is σ = 3538141344. Its totient is φ = 655211280.

The previous prime is 1801831127. The next prime is 1801831211. The reversal of 1801831130 is 311381081.

It is a self number, because there is not a number n which added to its sum of digits gives 1801831130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8190032 + ... + 8190251.

It is an arithmetic number, because the mean of its divisors is an integer number (221133834).

Almost surely, 2^1801831130 is an apocalyptic number.

1801831130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1801831130 is a deficient number, since it is larger than the sum of its proper divisors (1736310214).

1801831130 is a wasteful number, since it uses less digits than its factorization.

1801831130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16380301.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1801831130 is about 42447.9814596643. The cubic root of 1801831130 is about 1216.8527520048.

The spelling of 1801831130 in words is "one billion, eight hundred one million, eight hundred thirty-one thousand, one hundred thirty".