31100004331189 has 2 divisors, whose sum is σ = 31100004331190. Its totient is φ = 31100004331188.

The previous prime is 31100004331141. The next prime is 31100004331259. The reversal of 31100004331189 is 98113340000113.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29312857798225 + 1787146532964 = 5414135^2 + 1336842^2 .

It is a cyclic number.

It is not a de Polignac number, because 31100004331189 - 2²⁵ = 31099970776757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31100007331189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15550002165594 + 15550002165595.

It is an arithmetic number, because the mean of its divisors is an integer number (15550002165595).

Almost surely, 2^{31100004331189} is an apocalyptic number.

It is an amenable number.

31100004331189 is a deficient number, since it is larger than the sum of its proper divisors (1).

31100004331189 is an equidigital number, since it uses as much as digits as its factorization.

31100004331189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 31100004331189 in words is "thirty-one trillion, one hundred billion, four million, three hundred thirty-one thousand, one hundred eighty-nine".