31222124434 has 16 divisors (see below), whose sum is σ = 47042747136. Its totient is φ = 15541270000.

The previous prime is 31222124399. The next prime is 31222124441. The reversal of 31222124434 is 43442122213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1093824 + ... + 1122004.

It is an arithmetic number, because the mean of its divisors is an integer number (2940171696).

Almost surely, 2^31222124434 is an apocalyptic number.

31222124434 is a deficient number, since it is larger than the sum of its proper divisors (15820622702).

31222124434 is a wasteful number, since it uses less digits than its factorization.

31222124434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30641.

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

Adding to 31222124434 its reverse (43442122213), we get a palindrome (74664246647).

The spelling of 31222124434 in words is "thirty-one billion, two hundred twenty-two million, one hundred twenty-four thousand, four hundred thirty-four".