31143341422 has 16 divisors (see below), whose sum is σ = 47813725872. Its totient is φ = 15205619520.

The previous prime is 31143341419. The next prime is 31143341473. The reversal of 31143341422 is 22414334113.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 304272 + ... + 393532.

It is an arithmetic number, because the mean of its divisors is an integer number (2988357867).

Almost surely, 2^31143341422 is an apocalyptic number.

31143341422 is a deficient number, since it is larger than the sum of its proper divisors (16670384450).

31143341422 is a wasteful number, since it uses less digits than its factorization.

31143341422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93363.

The product of its digits is 6912, while the sum is 28.

Adding to 31143341422 its reverse (22414334113), we get a palindrome (53557675535).

The spelling of 31143341422 in words is "thirty-one billion, one hundred forty-three million, three hundred forty-one thousand, four hundred twenty-two".