31422134312 has 32 divisors (see below), whose sum is σ = 60076598400. Its totient is φ = 15404155200.

The previous prime is 31422134309. The next prime is 31422134323. The reversal of 31422134312 is 21343122413.

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, 50012 + ... + 255627.

It is an arithmetic number, because the mean of its divisors is an integer number (1877393700).

Almost surely, 2^31422134312 is an apocalyptic number.

It is an amenable number.

31422134312 is a deficient number, since it is larger than the sum of its proper divisors (28654464088).

31422134312 is a wasteful number, since it uses less digits than its factorization.

31422134312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305897 (or 305893 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 31422134312 its reverse (21343122413), we get a palindrome (52765256725).

The spelling of 31422134312 in words is "thirty-one billion, four hundred twenty-two million, one hundred thirty-four thousand, three hundred twelve".