31214243422 has 16 divisors (see below), whose sum is σ = 49744778832. Its totient is φ = 14638917760.

The previous prime is 31214243413. The next prime is 31214243429. The reversal of 31214243422 is 22434241213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214243429) 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 in 7 ways as a sum of consecutive naturals, for example, 1556704 + ... + 1576627.

It is an arithmetic number, because the mean of its divisors is an integer number (3109048677).

Almost surely, 2^31214243422 is an apocalyptic number.

31214243422 is a deficient number, since it is larger than the sum of its proper divisors (18530535410).

31214243422 is a wasteful number, since it uses less digits than its factorization.

31214243422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133643.

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

Adding to 31214243422 its reverse (22434241213), we get a palindrome (53648484635).

The spelling of 31214243422 in words is "thirty-one billion, two hundred fourteen million, two hundred forty-three thousand, four hundred twenty-two".