231302230073 has 2 divisors, whose sum is σ = 231302230074. Its totient is φ = 231302230072.

The previous prime is 231302230069. The next prime is 231302230127. The reversal of 231302230073 is 370032203132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223731838009 + 7570392064 = 473003^2 + 87008^2 .

It is a cyclic number.

It is not a de Polignac number, because 231302230073 - 2² = 231302230069 is a prime.

It is not a weakly prime, because it can be changed into another prime (231302230063) 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, 115651115036 + 115651115037.

It is an arithmetic number, because the mean of its divisors is an integer number (115651115037).

Almost surely, 2^231302230073 is an apocalyptic number.

It is an amenable number.

231302230073 is a deficient number, since it is larger than the sum of its proper divisors (1).

231302230073 is an equidigital number, since it uses as much as digits as its factorization.

231302230073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 26.

The spelling of 231302230073 in words is "two hundred thirty-one billion, three hundred two million, two hundred thirty thousand, seventy-three".