31321141144 has 16 divisors (see below), whose sum is σ = 59531622120. Its totient is φ = 15446041920.

The previous prime is 31321141087. The next prime is 31321141151. The reversal of 31321141144 is 44114112313.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 26815462 + ... + 26816629.

Almost surely, 2^31321141144 is an apocalyptic number.

It is an amenable number.

31321141144 is a deficient number, since it is larger than the sum of its proper divisors (28210480976).

31321141144 is a wasteful number, since it uses less digits than its factorization.

31321141144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53632170 (or 53632166 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

Adding to 31321141144 its reverse (44114112313), we get a palindrome (75435253457).

The spelling of 31321141144 in words is "thirty-one billion, three hundred twenty-one million, one hundred forty-one thousand, one hundred forty-four".