2146120313 has 2 divisors, whose sum is σ = 2146120314. Its totient is φ = 2146120312.

The previous prime is 2146120289. The next prime is 2146120331. The reversal of 2146120313 is 3130216412.

Together with next prime (2146120331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1477018624 + 669101689 = 38432^2 + 25867^2 .

It is a cyclic number.

It is not a de Polignac number, because 2146120313 - 2²⁰ = 2145071737 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2146120343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073060156 + 1073060157.

It is an arithmetic number, because the mean of its divisors is an integer number (1073060157).

Almost surely, 2^2146120313 is an apocalyptic number.

It is an amenable number.

2146120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146120313 is an equidigital number, since it uses as much as digits as its factorization.

2146120313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2146120313 is about 46326.2378463868. The cubic root of 2146120313 is about 1289.8860771138.

Adding to 2146120313 its reverse (3130216412), we get a palindrome (5276336725).

The spelling of 2146120313 in words is "two billion, one hundred forty-six million, one hundred twenty thousand, three hundred thirteen".