31441222144424 has 48 divisors (see below), whose sum is σ = 62228920317120. Its totient is φ = 14890679425440.

The previous prime is 31441222144411. The next prime is 31441222144427. The reversal of 31441222144424 is 42444122214413.

It is a super-2 number, since 2×31441222144424² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (31441222144427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16125719 + ... + 17970009.

It is an arithmetic number, because the mean of its divisors is an integer number (1296435839940).

Almost surely, 2^{31441222144424} is an apocalyptic number.

It is an amenable number.

31441222144424 is a deficient number, since it is larger than the sum of its proper divisors (30787698172696).

31441222144424 is a wasteful number, since it uses less digits than its factorization.

31441222144424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850238 (or 1850215 counting only the distinct ones).

The product of its digits is 196608, while the sum is 38.

Adding to 31441222144424 its reverse (42444122214413), we get a palindrome (73885344358837).

The spelling of 31441222144424 in words is "thirty-one trillion, four hundred forty-one billion, two hundred twenty-two million, one hundred forty-four thousand, four hundred twenty-four".