233231001320309 has 2 divisors, whose sum is σ = 233231001320310. Its totient is φ = 233231001320308.

The previous prime is 233231001320111. The next prime is 233231001320353. The reversal of 233231001320309 is 903023100132332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225304693083409 + 7926308236900 = 15010153^2 + 2815370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233231001320309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233231001322309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116615500660154 + 116615500660155.

It is an arithmetic number, because the mean of its divisors is an integer number (116615500660155).

Almost surely, 2^{233231001320309} is an apocalyptic number.

It is an amenable number.

233231001320309 is a deficient number, since it is larger than the sum of its proper divisors (1).

233231001320309 is an equidigital number, since it uses as much as digits as its factorization.

233231001320309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 233231001320309 in words is "two hundred thirty-three trillion, two hundred thirty-one billion, one million, three hundred twenty thousand, three hundred nine".