31240422244 has 12 divisors (see below), whose sum is σ = 57047727744. Its totient is φ = 14941071464.

The previous prime is 31240422167. The next prime is 31240422251. The reversal of 31240422244 is 44222404213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169784812 + ... + 169784995.

It is an arithmetic number, because the mean of its divisors is an integer number (4753977312).

Almost surely, 2^31240422244 is an apocalyptic number.

It is an amenable number.

31240422244 is a deficient number, since it is larger than the sum of its proper divisors (25807305500).

31240422244 is a wasteful number, since it uses less digits than its factorization.

31240422244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339569834 (or 339569832 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 31240422244 its reverse (44222404213), we get a palindrome (75462826457).

The spelling of 31240422244 in words is "thirty-one billion, two hundred forty million, four hundred twenty-two thousand, two hundred forty-four".