813100112 has 40 divisors (see below), whose sum is σ = 1721681472. Its totient is φ = 368928000.

The previous prime is 813100109. The next prime is 813100129. The reversal of 813100112 is 211001318.

It is a super-2 number, since 2×813100112² = 1322263584268825088, which contains 22 as substring.

It is a congruent number.

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, 101933 + ... + 109619.

Almost surely, 2^813100112 is an apocalyptic number.

It is an amenable number.

813100112 is an abundant number, since it is smaller than the sum of its proper divisors (908581360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813100112 is a wasteful number, since it uses less digits than its factorization.

813100112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307 (or 8301 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 813100112 is about 28514.9103452913. The cubic root of 813100112 is about 933.3574685369.

The spelling of 813100112 in words is "eight hundred thirteen million, one hundred thousand, one hundred twelve".