813083330 has 16 divisors (see below), whose sum is σ = 1478042424. Its totient is φ = 322012800.

The previous prime is 813083329. The next prime is 813083347. The reversal of 813083330 is 33380318.

It can be written as a sum of positive squares in 4 ways, for example, as 788093329 + 24990001 = 28073^2 + 4999^2 .

It is a super-2 number, since 2×813083330² = 1322209003047777800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813083293 and 813083302.

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, 401507 + ... + 403526.

Almost surely, 2^813083330 is an apocalyptic number.

813083330 is a deficient number, since it is larger than the sum of its proper divisors (664959094).

813083330 is a wasteful number, since it uses less digits than its factorization.

813083330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805141.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 813083330 is about 28514.6160766720. The cubic root of 813083330 is about 933.3510471411.

The spelling of 813083330 in words is "eight hundred thirteen million, eighty-three thousand, three hundred thirty".