30612443100 has 72 divisors (see below), whose sum is σ = 88589746560. Its totient is φ = 8161682880.

The previous prime is 30612443077. The next prime is 30612443111. The reversal of 30612443100 is 134421603.

It is a super-2 number, since 2×30612443100² (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, 2593011 + ... + 2604789.

Almost surely, 2^30612443100 is an apocalyptic number.

30612443100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30612443100 is an abundant number, since it is smaller than the sum of its proper divisors (57977303460).

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

30612443100 is a wasteful number, since it uses less digits than its factorization.

30612443100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20459 (or 20452 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 30612443100 its reverse (134421603), we get a palindrome (30746864703).

The spelling of 30612443100 in words is "thirty billion, six hundred twelve million, four hundred forty-three thousand, one hundred".