31344240224 has 48 divisors (see below), whose sum is σ = 68960835216. Its totient is φ = 13899878400.

The previous prime is 31344240203. The next prime is 31344240269. The reversal of 31344240224 is 42204244313.

It is a super-2 number, since 2×31344240224² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1071497 + ... + 1100360.

It is an arithmetic number, because the mean of its divisors is an integer number (1436684067).

Almost surely, 2^31344240224 is an apocalyptic number.

It is an amenable number.

31344240224 is an abundant number, since it is smaller than the sum of its proper divisors (37616594992).

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

31344240224 is a wasteful number, since it uses less digits than its factorization.

31344240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171919 (or 2171911 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 31344240224 its reverse (42204244313), we get a palindrome (73548484537).

The spelling of 31344240224 in words is "thirty-one billion, three hundred forty-four million, two hundred forty thousand, two hundred twenty-four".