234002531309 has 2 divisors, whose sum is σ = 234002531310. Its totient is φ = 234002531308.

The previous prime is 234002531297. The next prime is 234002531339. The reversal of 234002531309 is 903135200432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216997588900 + 17004942409 = 465830^2 + 130403^2 .

It is a cyclic number.

It is not a de Polignac number, because 234002531309 - 2²⁰ = 234001482733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234002531339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117001265654 + 117001265655.

It is an arithmetic number, because the mean of its divisors is an integer number (117001265655).

Almost surely, 2^234002531309 is an apocalyptic number.

It is an amenable number.

234002531309 is a deficient number, since it is larger than the sum of its proper divisors (1).

234002531309 is an equidigital number, since it uses as much as digits as its factorization.

234002531309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 234002531309 in words is "two hundred thirty-four billion, two million, five hundred thirty-one thousand, three hundred nine".