30468231 has 20 divisors (see below), whose sum is σ = 45665400. Its totient is φ = 20244816.

The previous prime is 30468223. The next prime is 30468239. The reversal of 30468231 is 13286403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30468223) and next prime (30468239).

It is not a de Polignac number, because 30468231 - 2³ = 30468223 is a prime.

It is a super-2 number, since 2×30468231² = 1856626200538722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 30468195 and 30468204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30468239) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40860 + ... + 41598.

It is an arithmetic number, because the mean of its divisors is an integer number (2283270).

Almost surely, 2^30468231 is an apocalyptic number.

30468231 is a deficient number, since it is larger than the sum of its proper divisors (15197169).

30468231 is an equidigital number, since it uses as much as digits as its factorization.

30468231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 30468231 is about 5519.8035291122. The cubic root of 30468231 is about 312.3314709431.

The spelling of 30468231 in words is "thirty million, four hundred sixty-eight thousand, two hundred thirty-one".