30394231 has 8 divisors (see below), whose sum is σ = 34893824. Its totient is φ = 25934040.

The previous prime is 30394211. The next prime is 30394237. The reversal of 30394231 is 13249303.

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 a de Polignac number, because none of the positive numbers 2^k-30394231 is a prime.

It is a super-2 number, since 2×30394231² = 1847618556162722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30394196 and 30394205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30394237) 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, 8175 + ... + 11296.

It is an arithmetic number, because the mean of its divisors is an integer number (4361728).

Almost surely, 2^30394231 is an apocalyptic number.

30394231 is a deficient number, since it is larger than the sum of its proper divisors (4499593).

30394231 is a wasteful number, since it uses less digits than its factorization.

30394231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19701.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 30394231 is about 5513.0963169529. The cubic root of 30394231 is about 312.0784066313.

It can be divided in two parts, 30394 and 231, that added together give a square (30625 = 175²).

The spelling of 30394231 in words is "thirty million, three hundred ninety-four thousand, two hundred thirty-one".