30248231 has 8 divisors (see below), whose sum is σ = 32988480. Its totient is φ = 27567072.

The previous prime is 30248227. The next prime is 30248237. The reversal of 30248231 is 13284203.

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

It is not a de Polignac number, because 30248231 - 2² = 30248227 is a prime.

It is a super-2 number, since 2×30248231² = 1829910957258722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30248197 and 30248206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30248237) 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, 13700 + ... + 15753.

It is an arithmetic number, because the mean of its divisors is an integer number (4123560).

Almost surely, 2^30248231 is an apocalyptic number.

30248231 is a deficient number, since it is larger than the sum of its proper divisors (2740249).

30248231 is a wasteful number, since it uses less digits than its factorization.

30248231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29545.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 30248231 is about 5499.8391794670. The cubic root of 30248231 is about 311.5779103583.

The spelling of 30248231 in words is "thirty million, two hundred forty-eight thousand, two hundred thirty-one".