30211320100 has 72 divisors (see below), whose sum is σ = 71568900200. Its totient is φ = 11002106880.

The previous prime is 30211320091. The next prime is 30211320199. The reversal of 30211320100 is 102311203.

It can be written as a sum of positive squares in 12 ways, for example, as 6037911616 + 24173408484 = 77704^2 + 155478^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 64275 + ... + 254074.

Almost surely, 2^30211320100 is an apocalyptic number.

It is an amenable number.

30211320100 is an abundant number, since it is smaller than the sum of its proper divisors (41357580100).

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

30211320100 is a wasteful number, since it uses less digits than its factorization.

30211320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318449 (or 318442 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 30211320100 its reverse (102311203), we get a palindrome (30313631303).

The spelling of 30211320100 in words is "thirty billion, two hundred eleven million, three hundred twenty thousand, one hundred".