31044442223 has 16 divisors (see below), whose sum is σ = 31988545920. Its totient is φ = 30106080000.

The previous prime is 31044442183. The next prime is 31044442259. The reversal of 31044442223 is 32224444013.

It is a cyclic number.

It is not a de Polignac number, because 31044442223 - 2¹² = 31044438127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31044442523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22478993 + ... + 22480373.

It is an arithmetic number, because the mean of its divisors is an integer number (1999284120).

Almost surely, 2^31044442223 is an apocalyptic number.

31044442223 is a deficient number, since it is larger than the sum of its proper divisors (944103697).

31044442223 is a wasteful number, since it uses less digits than its factorization.

31044442223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 31044442223 its reverse (32224444013), we get a palindrome (63268886236).

The spelling of 31044442223 in words is "thirty-one billion, forty-four million, four hundred forty-two thousand, two hundred twenty-three".