1813107232 has 12 divisors (see below), whose sum is σ = 3569554926. Its totient is φ = 906553600.

The previous prime is 1813107223. The next prime is 1813107251. The reversal of 1813107232 is 2327013181.

It can be written as a sum of positive squares in only one way, i.e., 1787260176 + 25847056 = 42276^2 + 5084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1813107232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28329769 + ... + 28329832.

Almost surely, 2^1813107232 is an apocalyptic number.

It is an amenable number.

1813107232 is a deficient number, since it is larger than the sum of its proper divisors (1756447694).

1813107232 is an equidigital number, since it uses as much as digits as its factorization.

1813107232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56659611 (or 56659603 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1813107232 is about 42580.5968957693. The cubic root of 1813107232 is about 1219.3858845981.

The spelling of 1813107232 in words is "one billion, eight hundred thirteen million, one hundred seven thousand, two hundred thirty-two".