31302020131112 has 64 divisors (see below), whose sum is σ = 60044328388800. Its totient is φ = 15294738032640.

The previous prime is 31302020131103. The next prime is 31302020131147. The reversal of 31302020131112 is 21113102020313.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 46629464 + ... + 47295992.

It is an arithmetic number, because the mean of its divisors is an integer number (938192631075).

Almost surely, 2^{31302020131112} is an apocalyptic number.

It is an amenable number.

31302020131112 is a deficient number, since it is larger than the sum of its proper divisors (28742308257688).

31302020131112 is a wasteful number, since it uses less digits than its factorization.

31302020131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667386 (or 667382 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31302020131112 its reverse (21113102020313), we get a palindrome (52415122151425).

The spelling of 31302020131112 in words is "thirty-one trillion, three hundred two billion, twenty million, one hundred thirty-one thousand, one hundred twelve".