31224053412304 has 20 divisors (see below), whose sum is σ = 62582693262660. Its totient is φ = 15073680957440.

The previous prime is 31224053412271. The next prime is 31224053412311. The reversal of 31224053412304 is 40321435042213.

It can be written as a sum of positive squares in 2 ways, for example, as 21253944040000 + 9970109372304 = 4610200^2 + 3157548^2 .

It is a super-2 number, since 2×31224053412304² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31224053412304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33646608817 + ... + 33646609744.

It is an arithmetic number, because the mean of its divisors is an integer number (3129134663133).

Almost surely, 2^{31224053412304} is an apocalyptic number.

It is an amenable number.

31224053412304 is an abundant number, since it is smaller than the sum of its proper divisors (31358639850356).

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

31224053412304 is a wasteful number, since it uses less digits than its factorization.

31224053412304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67293218598 (or 67293218592 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 31224053412304 its reverse (40321435042213), we get a palindrome (71545488454517).

The spelling of 31224053412304 in words is "thirty-one trillion, two hundred twenty-four billion, fifty-three million, four hundred twelve thousand, three hundred four".