31132100220001 has 32 divisors (see below), whose sum is σ = 34950079221120. Its totient is φ = 27485368627200.

The previous prime is 31132100219993. The next prime is 31132100220049. The reversal of 31132100220001 is 10002200123113.

It is not a de Polignac number, because 31132100220001 - 2³ = 31132100219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31132100226001) 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 31 ways as a sum of consecutive naturals, for example, 86178585 + ... + 86539081.

It is an arithmetic number, because the mean of its divisors is an integer number (1092189975660).

Almost surely, 2^{31132100220001} is an apocalyptic number.

It is an amenable number.

31132100220001 is a deficient number, since it is larger than the sum of its proper divisors (3817979001119).

31132100220001 is a wasteful number, since it uses less digits than its factorization.

31132100220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361425.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31132100220001 its reverse (10002200123113), we get a palindrome (41134300343114).

The spelling of 31132100220001 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred million, two hundred twenty thousand, one".