30231021100 has 72 divisors (see below), whose sum is σ = 75035975168. Its totient is φ = 10356206400.

The previous prime is 30231021097. The next prime is 30231021101. The reversal of 30231021100 is 112013203.

It is not an unprimeable number, because it can be changed into a prime (30231021101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 844159 + ... + 879241.

Almost surely, 2^30231021100 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 30231021100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37517987584).

30231021100 is an abundant number, since it is smaller than the sum of its proper divisors (44804954068).

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

30231021100 is a wasteful number, since it uses less digits than its factorization.

30231021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36335 (or 36328 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30231021100 its reverse (112013203), we get a palindrome (30343034303).

The spelling of 30231021100 in words is "thirty billion, two hundred thirty-one million, twenty-one thousand, one hundred".