31444323103 has 8 divisors (see below), whose sum is σ = 31575698000. Its totient is φ = 31313184768.

The previous prime is 31444323083. The next prime is 31444323107. The reversal of 31444323103 is 30132344413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31444323103 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 (31444323107) 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 7 ways as a sum of consecutive naturals, for example, 209800 + ... + 326962.

It is an arithmetic number, because the mean of its divisors is an integer number (3946962250).

Almost surely, 2^31444323103 is an apocalyptic number.

31444323103 is a deficient number, since it is larger than the sum of its proper divisors (131374897).

31444323103 is a wasteful number, since it uses less digits than its factorization.

31444323103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118281.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 31444323103 its reverse (30132344413), we get a palindrome (61576667516).

The spelling of 31444323103 in words is "thirty-one billion, four hundred forty-four million, three hundred twenty-three thousand, one hundred three".