31313201120001 has 24 divisors (see below), whose sum is σ = 46461602526144. Its totient is φ = 20307336556320.

The previous prime is 31313201119943. The next prime is 31313201120021. The reversal of 31313201120001 is 10002110231313.

31313201120001 is a `hidden beast` number, since 3 + 131 + 320 + 11 + 200 + 0 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-31313201120001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31313201120021) 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, 7370461 + ... + 10814346.

It is an arithmetic number, because the mean of its divisors is an integer number (1935900105256).

Almost surely, 2^{31313201120001} is an apocalyptic number.

It is an amenable number.

31313201120001 is a deficient number, since it is larger than the sum of its proper divisors (15148401406143).

31313201120001 is a wasteful number, since it uses less digits than its factorization.

31313201120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190021 (or 18190018 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 31313201120001 its reverse (10002110231313), we get a palindrome (41315311351314).

The spelling of 31313201120001 in words is "thirty-one trillion, three hundred thirteen billion, two hundred one million, one hundred twenty thousand, one".