30313100 has 36 divisors (see below), whose sum is σ = 66417624. Its totient is φ = 12007680.

The previous prime is 30313081. The next prime is 30313123. The reversal of 30313100 is 131303.

It is a super-2 number, since 2×30313100² = 1837768063220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9284 + ... + 12116.

It is an arithmetic number, because the mean of its divisors is an integer number (1844934).

Almost surely, 2^30313100 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 30313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33208812).

30313100 is an abundant number, since it is smaller than the sum of its proper divisors (36104524).

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

30313100 is a wasteful number, since it uses less digits than its factorization.

30313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 30313100 is about 5505.7333753098. The cubic root of 30313100 is about 311.8004833329.

Adding to 30313100 its reverse (131303), we get a palindrome (30444403).

The spelling of 30313100 in words is "thirty million, three hundred thirteen thousand, one hundred".