30023021100 has 72 divisors (see below), whose sum is σ = 86897493760. Its totient is φ = 8003292480.

The previous prime is 30023021069. The next prime is 30023021113. The reversal of 30023021100 is 112032003.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 907449 + ... + 939951.

Almost surely, 2^30023021100 is an apocalyptic number.

30023021100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30023021100 is an abundant number, since it is smaller than the sum of its proper divisors (56874472660).

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

30023021100 is a wasteful number, since it uses less digits than its factorization.

30023021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35599 (or 35592 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 30023021100 its reverse (112032003), we get a palindrome (30135053103).

The spelling of 30023021100 in words is "thirty billion, twenty-three million, twenty-one thousand, one hundred".