30843868100 has 18 divisors (see below), whose sum is σ = 66931193994. Its totient is φ = 12337547200.

The previous prime is 30843868073. The next prime is 30843868123. The reversal of 30843868100 is 186834803.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6692221636 + 24151646464 = 81806^2 + 155408^2 .

It is a super-2 number, since 2×30843868100² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154219241 + ... + 154219440.

Almost surely, 2^30843868100 is an apocalyptic number.

It is an amenable number.

30843868100 is an abundant number, since it is smaller than the sum of its proper divisors (36087325894).

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

30843868100 is a wasteful number, since it uses less digits than its factorization.

30843868100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308438695 (or 308438688 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 30843868100 in words is "thirty billion, eight hundred forty-three million, eight hundred sixty-eight thousand, one hundred".