30434212100 has 18 divisors (see below), whose sum is σ = 66042240474. Its totient is φ = 12173684800.

The previous prime is 30434212037. The next prime is 30434212117. The reversal of 30434212100 is 121243403.

It can be written as a sum of positive squares in 3 ways, for example, as 6287538436 + 24146673664 = 79294^2 + 155392^2 .

It is a super-2 number, since 2×30434212100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152170961 + ... + 152171160.

Almost surely, 2^30434212100 is an apocalyptic number.

It is an amenable number.

30434212100 is an abundant number, since it is smaller than the sum of its proper divisors (35608028374).

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

30434212100 is a wasteful number, since it uses less digits than its factorization.

30434212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304342135 (or 304342128 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30434212100 its reverse (121243403), we get a palindrome (30555455503).

The spelling of 30434212100 in words is "thirty billion, four hundred thirty-four million, two hundred twelve thousand, one hundred".