31423133422 has 16 divisors (see below), whose sum is σ = 47217854880. Its totient is φ = 15683872768.

The previous prime is 31423133411. The next prime is 31423133431. The reversal of 31423133422 is 22433132413.

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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346398 + ... + 3355774.

It is an arithmetic number, because the mean of its divisors is an integer number (2951115930).

Almost surely, 2^31423133422 is an apocalyptic number.

31423133422 is a deficient number, since it is larger than the sum of its proper divisors (15794721458).

31423133422 is a wasteful number, since it uses less digits than its factorization.

31423133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12155.

The product of its digits is 10368, while the sum is 28.

Adding to 31423133422 its reverse (22433132413), we get a palindrome (53856265835).

The spelling of 31423133422 in words is "thirty-one billion, four hundred twenty-three million, one hundred thirty-three thousand, four hundred twenty-two".