31424401244 has 12 divisors (see below), whose sum is σ = 55090384104. Its totient is φ = 15684291504.

The previous prime is 31424401237. The next prime is 31424401273. The reversal of 31424401244 is 44210442413.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6974747 + ... + 6979250.

It is an arithmetic number, because the mean of its divisors is an integer number (4590865342).

Almost surely, 2^31424401244 is an apocalyptic number.

It is an amenable number.

31424401244 is a deficient number, since it is larger than the sum of its proper divisors (23665982860).

31424401244 is a wasteful number, since it uses less digits than its factorization.

31424401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13954564 (or 13954562 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 31424401244 its reverse (44210442413), we get a palindrome (75634843657).

The spelling of 31424401244 in words is "thirty-one billion, four hundred twenty-four million, four hundred one thousand, two hundred forty-four".