31020300220112 has 20 divisors (see below), whose sum is σ = 68687807630496. Its totient is φ = 13294414380000.

The previous prime is 31020300220033. The next prime is 31020300220121. The reversal of 31020300220112 is 21102200302013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138483483014 + ... + 138483483237.

Almost surely, 2^{31020300220112} is an apocalyptic number.

It is an amenable number.

31020300220112 is an abundant number, since it is smaller than the sum of its proper divisors (37667507410384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31020300220112 is a wasteful number, since it uses less digits than its factorization.

31020300220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276966966266 (or 276966966260 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31020300220112 its reverse (21102200302013), we get a palindrome (52122500522125).

The spelling of 31020300220112 in words is "thirty-one trillion, twenty billion, three hundred million, two hundred twenty thousand, one hundred twelve".