30634431 has 8 divisors (see below), whose sum is σ = 41072304. Its totient is φ = 20309760.

The previous prime is 30634397. The next prime is 30634453. The reversal of 30634431 is 13443603.

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

It is not a de Polignac number, because 30634431 - 2²¹ = 28537279 is a prime.

It is a super-2 number, since 2×30634431² = 1876936725387522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30633431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27666 + ... + 28751.

It is an arithmetic number, because the mean of its divisors is an integer number (5134038).

Almost surely, 2^30634431 is an apocalyptic number.

30634431 is a deficient number, since it is larger than the sum of its proper divisors (10437873).

30634431 is a wasteful number, since it uses less digits than its factorization.

30634431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56601.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 30634431 is about 5534.8379380069. The cubic root of 30634431 is about 312.8983498133.

The spelling of 30634431 in words is "thirty million, six hundred thirty-four thousand, four hundred thirty-one".