30211164 has 48 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 10032048.

The previous prime is 30211151. The next prime is 30211183. The reversal of 30211164 is 46111203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50137 + ... + 50735.

It is an arithmetic number, because the mean of its divisors is an integer number (1638000).

Almost surely, 2^30211164 is an apocalyptic number.

It is an amenable number.

30211164 is an abundant number, since it is smaller than the sum of its proper divisors (48412836).

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

30211164 is a wasteful number, since it uses less digits than its factorization.

30211164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 30211164 is about 5496.4683206583. The cubic root of 30211164 is about 311.4505863372.

Adding to 30211164 its reverse (46111203), we get a palindrome (76322367).

The spelling of 30211164 in words is "thirty million, two hundred eleven thousand, one hundred sixty-four".