30242431 has 8 divisors (see below), whose sum is σ = 31271264. Its totient is φ = 29224800.

The previous prime is 30242423. The next prime is 30242437. The reversal of 30242431 is 13424203.

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

It is a cyclic number.

It is not a de Polignac number, because 30242431 - 2³ = 30242423 is a prime.

It is a super-2 number, since 2×30242431² = 1829209265579522, 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 = 30242399 and 30242408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30242437) 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, 2881 + ... + 8293.

It is an arithmetic number, because the mean of its divisors is an integer number (3908908).

Almost surely, 2^30242431 is an apocalyptic number.

30242431 is a deficient number, since it is larger than the sum of its proper divisors (1028833).

30242431 is a wasteful number, since it uses less digits than its factorization.

30242431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5601.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 30242431 is about 5499.3118660429. The cubic root of 30242431 is about 311.5579944014.

Adding to 30242431 its reverse (13424203), we get a palindrome (43666634).

The spelling of 30242431 in words is "thirty million, two hundred forty-two thousand, four hundred thirty-one".