30214231 has 4 divisors (see below), whose sum is σ = 30226264. Its totient is φ = 30202200.

The previous prime is 30214207. The next prime is 30214267. The reversal of 30214231 is 13241203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30214231 - 2¹³ = 30206039 is a prime.

It is a super-2 number, since 2×30214231² = 1825799509842722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30214271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660 + ... + 7801.

It is an arithmetic number, because the mean of its divisors is an integer number (7556566).

Almost surely, 2^30214231 is an apocalyptic number.

30214231 is a deficient number, since it is larger than the sum of its proper divisors (12033).

30214231 is an equidigital number, since it uses as much as digits as its factorization.

30214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12032.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30214231 is about 5496.7473109103. The cubic root of 30214231 is about 311.4611253400.

Adding to 30214231 its reverse (13241203), we get a palindrome (43455434).

The spelling of 30214231 in words is "thirty million, two hundred fourteen thousand, two hundred thirty-one".