120231331586813 has 2 divisors, whose sum is σ = 120231331586814. Its totient is φ = 120231331586812.

The previous prime is 120231331586803. The next prime is 120231331586819. The reversal of 120231331586813 is 318685133132021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114912118165849 + 5319213420964 = 10719707^2 + 2306342^2 .

It is an emirp because it is prime and its reverse (318685133132021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120231331586813 - 2¹⁸ = 120231331324669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120231331586819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60115665793406 + 60115665793407.

It is an arithmetic number, because the mean of its divisors is an integer number (60115665793407).

Almost surely, 2^{120231331586813} is an apocalyptic number.

It is an amenable number.

120231331586813 is a deficient number, since it is larger than the sum of its proper divisors (1).

120231331586813 is an equidigital number, since it uses as much as digits as its factorization.

120231331586813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 120231331586813 in words is "one hundred twenty trillion, two hundred thirty-one billion, three hundred thirty-one million, five hundred eighty-six thousand, eight hundred thirteen".