30211101 has 12 divisors (see below), whose sum is σ = 44191680. Its totient is φ = 19885320.

The previous prime is 30211079. The next prime is 30211109. The reversal of 30211101 is 10111203.

It is not a de Polignac number, because 30211101 - 2²² = 26016797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20535 + ... + 21956.

It is an arithmetic number, because the mean of its divisors is an integer number (3682640).

Almost surely, 2^30211101 is an apocalyptic number.

It is an amenable number.

30211101 is a deficient number, since it is larger than the sum of its proper divisors (13980579).

30211101 is a wasteful number, since it uses less digits than its factorization.

30211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42576 (or 42573 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 30211101 is about 5496.4625897026. The cubic root of 30211101 is about 311.4503698454.

Adding to 30211101 its reverse (10111203), we get a palindrome (40322304).

The spelling of 30211101 in words is "thirty million, two hundred eleven thousand, one hundred one".