2131230349 has 2 divisors, whose sum is σ = 2131230350. Its totient is φ = 2131230348.

The previous prime is 2131230221. The next prime is 2131230397. The reversal of 2131230349 is 9430321312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1548973449 + 582256900 = 39357^2 + 24130^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131230349 - 2⁷ = 2131230221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131230649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065615174 + 1065615175.

It is an arithmetic number, because the mean of its divisors is an integer number (1065615175).

Almost surely, 2^2131230349 is an apocalyptic number.

It is an amenable number.

2131230349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131230349 is an equidigital number, since it uses as much as digits as its factorization.

2131230349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2131230349 is about 46165.2504487954. The cubic root of 2131230349 is about 1286.8960385179.

The spelling of 2131230349 in words is "two billion, one hundred thirty-one million, two hundred thirty thousand, three hundred forty-nine".