30424031 has 4 divisors (see below), whose sum is σ = 33189864. Its totient is φ = 27658200.

The previous prime is 30424021. The next prime is 30424057. The reversal of 30424031 is 13042403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30424031 is a prime.

It is a super-2 number, since 2×30424031² = 1851243324577922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1382900 + ... + 1382921.

It is an arithmetic number, because the mean of its divisors is an integer number (8297466).

Almost surely, 2^30424031 is an apocalyptic number.

30424031 is a deficient number, since it is larger than the sum of its proper divisors (2765833).

30424031 is a wasteful number, since it uses less digits than its factorization.

30424031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2765832.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30424031 is about 5515.7983103083. The cubic root of 30424031 is about 312.1803656599.

Adding to 30424031 its reverse (13042403), we get a palindrome (43466434).

The spelling of 30424031 in words is "thirty million, four hundred twenty-four thousand, thirty-one".