30325231 has 2 divisors, whose sum is σ = 30325232. Its totient is φ = 30325230.

The previous prime is 30325219. The next prime is 30325241. The reversal of 30325231 is 13252303.

It is a strong prime.

It is an emirp because it is prime and its reverse (13252303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30325231 - 2¹⁵ = 30292463 is a prime.

It is a super-2 number, since 2×30325231² = 1839239270406722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30325199 and 30325208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30325241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15162615 + 15162616.

It is an arithmetic number, because the mean of its divisors is an integer number (15162616).

Almost surely, 2^30325231 is an apocalyptic number.

30325231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30325231 is an equidigital number, since it uses as much as digits as its factorization.

30325231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 30325231 is about 5506.8349348787. The cubic root of 30325231 is about 311.8420709327.

Adding to 30325231 its reverse (13252303), we get a palindrome (43577534).

The spelling of 30325231 in words is "thirty million, three hundred twenty-five thousand, two hundred thirty-one".