30031131424 has 48 divisors (see below), whose sum is σ = 69900062400. Its totient is φ = 12426672384.

The previous prime is 30031131409. The next prime is 30031131457. The reversal of 30031131424 is 42413113003.

It is a junction number, because it is equal to n+sod(n) for n = 30031131395 and 30031131404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305014 + ... + 2318005.

It is an arithmetic number, because the mean of its divisors is an integer number (1456251300).

Almost surely, 2^30031131424 is an apocalyptic number.

It is an amenable number.

30031131424 is an abundant number, since it is smaller than the sum of its proper divisors (39868930976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30031131424 is a wasteful number, since it uses less digits than its factorization.

30031131424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623065 (or 4623057 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 30031131424 its reverse (42413113003), we get a palindrome (72444244427).

The spelling of 30031131424 in words is "thirty billion, thirty-one million, one hundred thirty-one thousand, four hundred twenty-four".