31344244440142 has 8 divisors (see below), whose sum is σ = 47018457923976. Its totient is φ = 15671425132152.

The previous prime is 31344244440083. The next prime is 31344244440217. The reversal of 31344244440142 is 24104444244313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31344244440095 and 31344244440104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348487753 + ... + 348577684.

It is an arithmetic number, because the mean of its divisors is an integer number (5877307240497).

Almost surely, 2^{31344244440142} is an apocalyptic number.

31344244440142 is a deficient number, since it is larger than the sum of its proper divisors (15674213483834).

31344244440142 is a wasteful number, since it uses less digits than its factorization.

31344244440142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697087922.

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 31344244440142 its reverse (24104444244313), we get a palindrome (55448688684455).

The spelling of 31344244440142 in words is "thirty-one trillion, three hundred forty-four billion, two hundred forty-four million, four hundred forty thousand, one hundred forty-two".