30102231 has 8 divisors (see below), whose sum is σ = 40990464. Its totient is φ = 19641080.

The previous prime is 30102227. The next prime is 30102263. The reversal of 30102231 is 13220103.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30102231 - 2² = 30102227 is a prime.

It is a super-2 number, since 2×30102231² = 1812288622354722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102211) 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, 106605 + ... + 106886.

It is an arithmetic number, because the mean of its divisors is an integer number (5123808).

Almost surely, 2^30102231 is an apocalyptic number.

30102231 is a deficient number, since it is larger than the sum of its proper divisors (10888233).

30102231 is a wasteful number, since it uses less digits than its factorization.

30102231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213541.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30102231 is about 5486.5500088854. The cubic root of 30102231 is about 311.0758009765.

Adding to 30102231 its reverse (13220103), we get a palindrome (43322334).

The spelling of 30102231 in words is "thirty million, one hundred two thousand, two hundred thirty-one".