310120213189 has 2 divisors, whose sum is σ = 310120213190. Its totient is φ = 310120213188.

The previous prime is 310120213157. The next prime is 310120213229. The reversal of 310120213189 is 981312021013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 254805877089 + 55314336100 = 504783^2 + 235190^2 .

It is a cyclic number.

It is not a de Polignac number, because 310120213189 - 2⁵ = 310120213157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 310120213189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310120243189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155060106594 + 155060106595.

It is an arithmetic number, because the mean of its divisors is an integer number (155060106595).

Almost surely, 2^310120213189 is an apocalyptic number.

It is an amenable number.

310120213189 is a deficient number, since it is larger than the sum of its proper divisors (1).

310120213189 is an equidigital number, since it uses as much as digits as its factorization.

310120213189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 310120213189 in words is "three hundred ten billion, one hundred twenty million, two hundred thirteen thousand, one hundred eighty-nine".