30211007 has 12 divisors (see below), whose sum is σ = 32506920. Its totient is φ = 28063152.

The previous prime is 30211001. The next prime is 30211031. The reversal of 30211007 is 70011203.

It is not a de Polignac number, because 30211007 - 2¹⁰ = 30209983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30210982 and 30211000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18344 + ... + 19922.

It is an arithmetic number, because the mean of its divisors is an integer number (2708910).

Almost surely, 2^30211007 is an apocalyptic number.

30211007 is a deficient number, since it is larger than the sum of its proper divisors (2295913).

30211007 is a wasteful number, since it uses less digits than its factorization.

30211007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 30211007 is about 5496.4540387417. The cubic root of 30211007 is about 311.4500468255.

The spelling of 30211007 in words is "thirty million, two hundred eleven thousand, seven".