31112000200189 has 2 divisors, whose sum is σ = 31112000200190. Its totient is φ = 31112000200188.

The previous prime is 31112000200159. The next prime is 31112000200241. The reversal of 31112000200189 is 98100200021113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29788039296964 + 1323960903225 = 5457842^2 + 1150635^2 .

It is a cyclic number.

It is not a de Polignac number, because 31112000200189 - 2²³ = 31111991811581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31112000200139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556000100094 + 15556000100095.

It is an arithmetic number, because the mean of its divisors is an integer number (15556000100095).

Almost surely, 2^{31112000200189} is an apocalyptic number.

It is an amenable number.

31112000200189 is a deficient number, since it is larger than the sum of its proper divisors (1).

31112000200189 is an equidigital number, since it uses as much as digits as its factorization.

31112000200189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 31112000200189 in words is "thirty-one trillion, one hundred twelve billion, two hundred thousand, one hundred eighty-nine".