30102130100 has 72 divisors (see below), whose sum is σ = 74687094720. Its totient is φ = 10316056320.

The previous prime is 30102130099. The next prime is 30102130111. The reversal of 30102130100 is 103120103.

It is a super-2 number, since 2×30102130100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1768832 + ... + 1785768.

It is an arithmetic number, because the mean of its divisors is an integer number (1037320760).

Almost surely, 2^30102130100 is an apocalyptic number.

It is an amenable number.

30102130100 is an abundant number, since it is smaller than the sum of its proper divisors (44584964620).

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

30102130100 is a wasteful number, since it uses less digits than its factorization.

30102130100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19497 (or 19490 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30102130100 its reverse (103120103), we get a palindrome (30205250203).

The spelling of 30102130100 in words is "thirty billion, one hundred two million, one hundred thirty thousand, one hundred".