31144444323 has 16 divisors (see below), whose sum is σ = 41935623840. Its totient is φ = 20558375424.

The previous prime is 31144444291. The next prime is 31144444337. The reversal of 31144444323 is 32344444113.

It is not a de Polignac number, because 31144444323 - 2⁵ = 31144444291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31144444223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456315 + ... + 520107.

It is an arithmetic number, because the mean of its divisors is an integer number (2620976490).

Almost surely, 2^31144444323 is an apocalyptic number.

31144444323 is a deficient number, since it is larger than the sum of its proper divisors (10791179517).

31144444323 is a wasteful number, since it uses less digits than its factorization.

31144444323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65398.

The product of its digits is 55296, while the sum is 33.

Adding to 31144444323 its reverse (32344444113), we get a palindrome (63488888436).

The spelling of 31144444323 in words is "thirty-one billion, one hundred forty-four million, four hundred forty-four thousand, three hundred twenty-three".