30300023100 has 288 divisors, whose sum is σ = 98069723136. Its totient is φ = 7186636800.

The previous prime is 30300023087. The next prime is 30300023101. The reversal of 30300023100 is 132000303.

It is a happy number.

It is a super-2 number, since 2×30300023100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30300023101) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6796072 + ... + 6800528.

It is an arithmetic number, because the mean of its divisors is an integer number (340519872).

Almost surely, 2^30300023100 is an apocalyptic number.

30300023100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30300023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49034861568).

30300023100 is an abundant number, since it is smaller than the sum of its proper divisors (67769700036).

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

30300023100 is a wasteful number, since it uses less digits than its factorization.

30300023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 30300023100 its reverse (132000303), we get a palindrome (30432023403).

The spelling of 30300023100 in words is "thirty billion, three hundred million, twenty-three thousand, one hundred".