31302312133122 has 48 divisors (see below), whose sum is σ = 68422791490560. Its totient is φ = 10341786049056.

The previous prime is 31302312133093. The next prime is 31302312133133. The reversal of 31302312133122 is 22133121320313.

31302312133122 is a `hidden beast` number, since 3 + 1 + 30 + 2 + 312 + 1 + 3 + 312 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4389433 + ... + 9048300.

It is an arithmetic number, because the mean of its divisors is an integer number (1425474822720).

Almost surely, 2^{31302312133122} is an apocalyptic number.

31302312133122 is an abundant number, since it is smaller than the sum of its proper divisors (37120479357438).

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

31302312133122 is a wasteful number, since it uses less digits than its factorization.

31302312133122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13438887 (or 13438884 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31302312133122 its reverse (22133121320313), we get a palindrome (53435433453435).

The spelling of 31302312133122 in words is "thirty-one trillion, three hundred two billion, three hundred twelve million, one hundred thirty-three thousand, one hundred twenty-two".