813100802 has 16 divisors (see below), whose sum is σ = 1229887800. Its totient is φ = 403148928.

The previous prime is 813100793. The next prime is 813100817. The reversal of 813100802 is 208001318.

813100802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 676468081 + 136632721 = 26009^2 + 11689^2 .

It is a super-2 number, since 2×813100802² = 1322265828426086408, which contains 22 as substring.

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, 172574 + ... + 177222.

Almost surely, 2^813100802 is an apocalyptic number.

813100802 is a deficient number, since it is larger than the sum of its proper divisors (416786998).

813100802 is a wasteful number, since it uses less digits than its factorization.

813100802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 813100802 is about 28514.9224442221. The cubic root of 813100802 is about 933.3577325538.

The spelling of 813100802 in words is "eight hundred thirteen million, one hundred thousand, eight hundred two".