30312202100 has 18 divisors (see below), whose sum is σ = 65777478774. Its totient is φ = 12124880800.

The previous prime is 30312202099. The next prime is 30312202103. The reversal of 30312202100 is 120221303.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 555262096 + 29756940004 = 23564^2 + 172502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312202103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151560911 + ... + 151561110.

Almost surely, 2^30312202100 is an apocalyptic number.

It is an amenable number.

30312202100 is an abundant number, since it is smaller than the sum of its proper divisors (35465276674).

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

30312202100 is a wasteful number, since it uses less digits than its factorization.

30312202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303122035 (or 303122028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30312202100 its reverse (120221303), we get a palindrome (30432423403).

The spelling of 30312202100 in words is "thirty billion, three hundred twelve million, two hundred two thousand, one hundred".