31041320224 has 48 divisors (see below), whose sum is σ = 65825131680. Its totient is φ = 14361822720.

The previous prime is 31041320183. The next prime is 31041320251. The reversal of 31041320224 is 42202314013.

It is a super-2 number, since 2×31041320224² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31041320195 and 31041320204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 567517 + ... + 619804.

It is an arithmetic number, because the mean of its divisors is an integer number (1371356910).

Almost surely, 2^31041320224 is an apocalyptic number.

It is an amenable number.

31041320224 is an abundant number, since it is smaller than the sum of its proper divisors (34783811456).

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

31041320224 is a wasteful number, since it uses less digits than its factorization.

31041320224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187393 (or 1187385 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 31041320224 its reverse (42202314013), we get a palindrome (73243634237).

The spelling of 31041320224 in words is "thirty-one billion, forty-one million, three hundred twenty thousand, two hundred twenty-four".