31444322242 has 8 divisors (see below), whose sum is σ = 47168070732. Its totient is φ = 15721632000.

The previous prime is 31444322233. The next prime is 31444322243. The reversal of 31444322242 is 24222344413.

It can be written as a sum of positive squares in 2 ways, for example, as 30238079881 + 1206242361 = 173891^2 + 34731^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31444322243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 185559 + ... + 311962.

Almost surely, 2^31444322242 is an apocalyptic number.

31444322242 is a deficient number, since it is larger than the sum of its proper divisors (15723748490).

31444322242 is a wasteful number, since it uses less digits than its factorization.

31444322242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529124.

The product of its digits is 36864, while the sum is 31.

Adding to 31444322242 its reverse (24222344413), we get a palindrome (55666666655).

The spelling of 31444322242 in words is "thirty-one billion, four hundred forty-four million, three hundred twenty-two thousand, two hundred forty-two".