801813130 has 16 divisors (see below), whose sum is σ = 1452459240. Its totient is φ = 318681792.

The previous prime is 801813121. The next prime is 801813157. The reversal of 801813130 is 31318108.

It can be written as a sum of positive squares in 4 ways, for example, as 541539441 + 260273689 = 23271^2 + 16133^2 .

It is a junction number, because it is equal to n+sod(n) for n = 801813095 and 801813104.

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, 253785 + ... + 256924.

Almost surely, 2^801813130 is an apocalyptic number.

801813130 is a deficient number, since it is larger than the sum of its proper divisors (650646110).

801813130 is a wasteful number, since it uses less digits than its factorization.

801813130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510873.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 801813130 is about 28316.3050202529. The cubic root of 801813130 is about 929.0185545609.

The spelling of 801813130 in words is "eight hundred one million, eight hundred thirteen thousand, one hundred thirty".