240305002543213 has 2 divisors, whose sum is σ = 240305002543214. Its totient is φ = 240305002543212.

The previous prime is 240305002543169. The next prime is 240305002543241. The reversal of 240305002543213 is 312345200503042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129240109297924 + 111064893245289 = 11368382^2 + 10538733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240305002543213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240305002543253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120152501271606 + 120152501271607.

It is an arithmetic number, because the mean of its divisors is an integer number (120152501271607).

Almost surely, 2^{240305002543213} is an apocalyptic number.

It is an amenable number.

240305002543213 is a deficient number, since it is larger than the sum of its proper divisors (1).

240305002543213 is an equidigital number, since it uses as much as digits as its factorization.

240305002543213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 34.

The spelling of 240305002543213 in words is "two hundred forty trillion, three hundred five billion, two million, five hundred forty-three thousand, two hundred thirteen".