31101101323012 has 12 divisors (see below), whose sum is σ = 62202202646080. Its totient is φ = 13329043424136.

The previous prime is 31101101323009. The next prime is 31101101323013. The reversal of 31101101323012 is 21032310110113.

31101101323012 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (31101101323013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555376809312 + ... + 555376809367.

Almost surely, 2^{31101101323012} is an apocalyptic number.

It is an amenable number.

31101101323012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31101101323012 is a wasteful number, since it uses less digits than its factorization.

31101101323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110753618690 (or 1110753618688 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31101101323012 its reverse (21032310110113), we get a palindrome (52133411433125).

The spelling of 31101101323012 in words is "thirty-one trillion, one hundred one billion, one hundred one million, three hundred twenty-three thousand, twelve".