31324412424 has 32 divisors (see below), whose sum is σ = 78363925920. Its totient is φ = 10434418176.

The previous prime is 31324412389. The next prime is 31324412429. The reversal of 31324412424 is 42421442313.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 31324412391 and 31324412400.

It is not an unprimeable number, because it can be changed into a prime (31324412429) 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, 404457 + ... + 475640.

It is an arithmetic number, because the mean of its divisors is an integer number (2448872685).

Almost surely, 2^31324412424 is an apocalyptic number.

It is an amenable number.

31324412424 is an abundant number, since it is smaller than the sum of its proper divisors (47039513496).

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

31324412424 is a wasteful number, since it uses less digits than its factorization.

31324412424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881589 (or 881585 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

Adding to 31324412424 its reverse (42421442313), we get a palindrome (73745854737).

The spelling of 31324412424 in words is "thirty-one billion, three hundred twenty-four million, four hundred twelve thousand, four hundred twenty-four".