31422122444 has 12 divisors (see below), whose sum is σ = 55101630864. Its totient is φ = 15678799344.

The previous prime is 31422122441. The next prime is 31422122483. The reversal of 31422122444 is 44422122413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31422122441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8063279 + ... + 8067174.

It is an arithmetic number, because the mean of its divisors is an integer number (4591802572).

Almost surely, 2^31422122444 is an apocalyptic number.

It is an amenable number.

31422122444 is a deficient number, since it is larger than the sum of its proper divisors (23679508420).

31422122444 is a wasteful number, since it uses less digits than its factorization.

31422122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16130944 (or 16130942 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

Adding to 31422122444 its reverse (44422122413), we get a palindrome (75844244857).

The spelling of 31422122444 in words is "thirty-one billion, four hundred twenty-two million, one hundred twenty-two thousand, four hundred forty-four".