30100231 has 12 divisors (see below), whose sum is σ = 35634352. Its totient is φ = 24905664.

The previous prime is 30100229. The next prime is 30100249. The reversal of 30100231 is 13200103.

It is not a de Polignac number, because 30100231 - 2¹ = 30100229 is a prime.

It is a super-2 number, since 2×30100231² = 1812047812506722, 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 (30100201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3331 + ... + 8443.

Almost surely, 2^30100231 is an apocalyptic number.

30100231 is a deficient number, since it is larger than the sum of its proper divisors (5534121).

30100231 is an equidigital number, since it uses as much as digits as its factorization.

30100231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178 (or 5149 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30100231 is about 5486.3677419582. The cubic root of 30100231 is about 311.0689115051.

Adding to 30100231 its reverse (13200103), we get a palindrome (43300334).

The spelling of 30100231 in words is "thirty million, one hundred thousand, two hundred thirty-one".