31214223244 has 6 divisors (see below), whose sum is σ = 54624890684. Its totient is φ = 15607111620.

The previous prime is 31214223241. The next prime is 31214223253. The reversal of 31214223244 is 44232241213.

It is not an unprimeable number, because it can be changed into a prime (31214223241) by changing a digit.

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 as a sum of consecutive naturals, namely, 3901777902 + ... + 3901777909.

Almost surely, 2^31214223244 is an apocalyptic number.

It is an amenable number.

31214223244 is a deficient number, since it is larger than the sum of its proper divisors (23410667440).

31214223244 is a wasteful number, since it uses less digits than its factorization.

31214223244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7803555815 (or 7803555813 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 31214223244 its reverse (44232241213), we get a palindrome (75446464457).

The spelling of 31214223244 in words is "thirty-one billion, two hundred fourteen million, two hundred twenty-three thousand, two hundred forty-four".