30243440031 has 8 divisors (see below), whose sum is σ = 46085241984. Its totient is φ = 17281965720.

The previous prime is 30243439999. The next prime is 30243440033. The reversal of 30243440031 is 13004434203.

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

It is not a de Polignac number, because 30243440031 - 2⁵ = 30243439999 is a prime.

It is a super-2 number, since 2×30243440031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30243439983 and 30243440010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30243440033) 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, 720081885 + ... + 720081926.

It is an arithmetic number, because the mean of its divisors is an integer number (5760655248).

Almost surely, 2^30243440031 is an apocalyptic number.

30243440031 is a deficient number, since it is larger than the sum of its proper divisors (15841801953).

30243440031 is a wasteful number, since it uses less digits than its factorization.

30243440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440163821.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 30243440031 its reverse (13004434203), we get a palindrome (43247874234).

The spelling of 30243440031 in words is "thirty billion, two hundred forty-three million, four hundred forty thousand, thirty-one".