30133103100 has 72 divisors (see below), whose sum is σ = 87224417280. Its totient is φ = 8031871680.

The previous prime is 30133103089. The next prime is 30133103107. The reversal of 30133103100 is 130133103.

It is a super-2 number, since 2×30133103100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30133103100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30133103107) 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, 680229 + ... + 723171.

It is an arithmetic number, because the mean of its divisors is an integer number (1211450240).

Almost surely, 2^30133103100 is an apocalyptic number.

30133103100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30133103100 is an abundant number, since it is smaller than the sum of its proper divisors (57091314180).

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

30133103100 is a wasteful number, since it uses less digits than its factorization.

30133103100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45299 (or 45292 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 30133103100 its reverse (130133103), we get a palindrome (30263236203).

The spelling of 30133103100 in words is "thirty billion, one hundred thirty-three million, one hundred three thousand, one hundred".