30940100 has 72 divisors (see below), whose sum is σ = 71245440. Its totient is φ = 11643520.

The previous prime is 30940099. The next prime is 30940123. The reversal of 30940100 is 104903.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136187 + ... + 136413.

It is an arithmetic number, because the mean of its divisors is an integer number (989520).

Almost surely, 2^30940100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30940100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35622720).

30940100 is an abundant number, since it is smaller than the sum of its proper divisors (40305340).

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

30940100 is a wasteful number, since it uses less digits than its factorization.

30940100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30940100 is about 5562.3825830304. The cubic root of 30940100 is about 313.9356028432.

The spelling of 30940100 in words is "thirty million, nine hundred forty thousand, one hundred".