30211013 has 8 divisors (see below), whose sum is σ = 34676928. Its totient is φ = 25782624.

The previous prime is 30211001. The next prime is 30211031. The reversal of 30211013 is 31011203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30211013 - 2¹⁶ = 30145477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30210985 and 30211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (4334616).

Almost surely, 2^30211013 is an apocalyptic number.

It is an amenable number.

30211013 is a deficient number, since it is larger than the sum of its proper divisors (4465915).

30211013 is a wasteful number, since it uses less digits than its factorization.

30211013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18763.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30211013 is about 5496.4545845481. The cubic root of 30211013 is about 311.4500674438.

Adding to 30211013 its reverse (31011203), we get a palindrome (61222216).

The spelling of 30211013 in words is "thirty million, two hundred eleven thousand, thirteen".