31343111422 has 8 divisors (see below), whose sum is σ = 53731048176. Its totient is φ = 13432762032.

The previous prime is 31343111407. The next prime is 31343111461. The reversal of 31343111422 is 22411134313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×31343111422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1119396823 + ... + 1119396850.

It is an arithmetic number, because the mean of its divisors is an integer number (6716381022).

Almost surely, 2^31343111422 is an apocalyptic number.

31343111422 is a deficient number, since it is larger than the sum of its proper divisors (22387936754).

31343111422 is a wasteful number, since it uses less digits than its factorization.

31343111422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2238793682.

The product of its digits is 1728, while the sum is 25.

Adding to 31343111422 its reverse (22411134313), we get a palindrome (53754245735).

The spelling of 31343111422 in words is "thirty-one billion, three hundred forty-three million, one hundred eleven thousand, four hundred twenty-two".