30085431 has 8 divisors (see below), whose sum is σ = 41092464. Its totient is φ = 19567680.

The previous prime is 30085421. The next prime is 30085481. The reversal of 30085431 is 13458003.

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

It is not a de Polignac number, because 30085431 - 2²³ = 21696823 is a prime.

It is a super-2 number, since 2×30085431² = 1810266316911522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30085421) 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 7 ways as a sum of consecutive naturals, for example, 122176 + ... + 122421.

It is an arithmetic number, because the mean of its divisors is an integer number (5136558).

Almost surely, 2^30085431 is an apocalyptic number.

30085431 is a deficient number, since it is larger than the sum of its proper divisors (11007033).

30085431 is a wasteful number, since it uses less digits than its factorization.

30085431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244641.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30085431 is about 5485.0187784546. The cubic root of 30085431 is about 311.0179199291.

The spelling of 30085431 in words is "thirty million, eighty-five thousand, four hundred thirty-one".