30424402031 has 4 divisors (see below), whose sum is σ = 30540084432. Its totient is φ = 30308719632.

The previous prime is 30424402009. The next prime is 30424402037. The reversal of 30424402031 is 13020442403.

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

It is a cyclic number.

It is not a de Polignac number, because 30424402031 - 2¹⁴ = 30424385647 is a prime.

It is a super-2 number, since 2×30424402031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30424401988 and 30424402006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30424402037) 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, 57840806 + ... + 57841331.

It is an arithmetic number, because the mean of its divisors is an integer number (7635021108).

Almost surely, 2^30424402031 is an apocalyptic number.

30424402031 is a deficient number, since it is larger than the sum of its proper divisors (115682401).

30424402031 is a wasteful number, since it uses less digits than its factorization.

30424402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115682400.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 30424402031 its reverse (13020442403), we get a palindrome (43444844434).

The spelling of 30424402031 in words is "thirty billion, four hundred twenty-four million, four hundred two thousand, thirty-one".