31301300144 has 20 divisors (see below), whose sum is σ = 60651903000. Its totient is φ = 15649196160.

The previous prime is 31301300143. The next prime is 31301300153. The reversal of 31301300144 is 44100310313.

It is not an unprimeable number, because it can be changed into a prime (31301300143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98732 + ... + 268980.

It is an arithmetic number, because the mean of its divisors is an integer number (3032595150).

Almost surely, 2^31301300144 is an apocalyptic number.

It is an amenable number.

31301300144 is a deficient number, since it is larger than the sum of its proper divisors (29350602856).

31301300144 is a wasteful number, since it uses less digits than its factorization.

31301300144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181748 (or 181742 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31301300144 its reverse (44100310313), we get a palindrome (75401610457).

The spelling of 31301300144 in words is "thirty-one billion, three hundred one million, three hundred thousand, one hundred forty-four".