12031310311101 has 24 divisors (see below), whose sum is σ = 18294727524320. Its totient is φ = 7598096247456.

The previous prime is 12031310311021. The next prime is 12031310311217. The reversal of 12031310311101 is 10111301313021.

12031310311101 is a `hidden beast` number, since 1 + 2 + 0 + 31 + 310 + 311 + 10 + 1 = 666.

It is not a de Polignac number, because 12031310311101 - 2¹⁸ = 12031310048957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031310311301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812446 + ... + 4972191.

Almost surely, 2^{12031310311101} is an apocalyptic number.

It is an amenable number.

12031310311101 is a deficient number, since it is larger than the sum of its proper divisors (6263417213219).

12031310311101 is a wasteful number, since it uses less digits than its factorization.

12031310311101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796825 (or 5796822 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 12031310311101 its reverse (10111301313021), we get a palindrome (22142611624122).

The spelling of 12031310311101 in words is "twelve trillion, thirty-one billion, three hundred ten million, three hundred eleven thousand, one hundred one".