30041240031 has 36 divisors (see below), whose sum is σ = 48039711720. Its totient is φ = 18075736800.

The previous prime is 30041240017. The next prime is 30041240051. The reversal of 30041240031 is 13004214003.

It is not a de Polignac number, because 30041240031 - 2¹⁷ = 30041108959 is a prime.

It is a super-2 number, since 2×30041240031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30041239986 and 30041240013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041240051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52141 + ... + 250601.

Almost surely, 2^30041240031 is an apocalyptic number.

30041240031 is a deficient number, since it is larger than the sum of its proper divisors (17998471689).

30041240031 is a wasteful number, since it uses less digits than its factorization.

30041240031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198628 (or 198614 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30041240031 its reverse (13004214003), we get a palindrome (43045454034).

It can be divided in two parts, 30041 and 240031, that added together give a palindrome (270072).

The spelling of 30041240031 in words is "thirty billion, forty-one million, two hundred forty thousand, thirty-one".