30213220100 has 72 divisors (see below), whose sum is σ = 75831688128. Its totient is φ = 10233993600.

The previous prime is 30213220099. The next prime is 30213220127. The reversal of 30213220100 is 102231203.

It is a happy number.

It is a super-2 number, since 2×30213220100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 201911 + ... + 318110.

Almost surely, 2^30213220100 is an apocalyptic number.

It is an amenable number.

30213220100 is an abundant number, since it is smaller than the sum of its proper divisors (45618468028).

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

30213220100 is a wasteful number, since it uses less digits than its factorization.

30213220100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520125 (or 520118 counting only the distinct ones).

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

Adding to 30213220100 its reverse (102231203), we get a palindrome (30315451303).

The spelling of 30213220100 in words is "thirty billion, two hundred thirteen million, two hundred twenty thousand, one hundred".