31444413422 has 16 divisors (see below), whose sum is σ = 48800664000. Its totient is φ = 15177694560.

The previous prime is 31444413419. The next prime is 31444413437. The reversal of 31444413422 is 22431444413.

It is a super-2 number, since 2×31444413422² (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 7 ways as a sum of consecutive naturals, for example, 366704 + ... + 444252.

It is an arithmetic number, because the mean of its divisors is an integer number (3050041500).

Almost surely, 2^31444413422 is an apocalyptic number.

31444413422 is a deficient number, since it is larger than the sum of its proper divisors (17356250578).

31444413422 is a wasteful number, since it uses less digits than its factorization.

31444413422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84571.

The product of its digits is 36864, while the sum is 32.

Adding to 31444413422 its reverse (22431444413), we get a palindrome (53875857835).

The spelling of 31444413422 in words is "thirty-one billion, four hundred forty-four million, four hundred thirteen thousand, four hundred twenty-two".