42231120103309 has 2 divisors, whose sum is σ = 42231120103310. Its totient is φ = 42231120103308.

The previous prime is 42231120103273. The next prime is 42231120103331. The reversal of 42231120103309 is 90330102113224.

It is a happy number.

42231120103309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42050724530409 + 180395572900 = 6484653^2 + 424730^2 .

It is a cyclic number.

It is not a de Polignac number, because 42231120103309 - 2¹³ = 42231120095117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42231120133309) 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, 21115560051654 + 21115560051655.

It is an arithmetic number, because the mean of its divisors is an integer number (21115560051655).

Almost surely, 2^{42231120103309} is an apocalyptic number.

It is an amenable number.

42231120103309 is a deficient number, since it is larger than the sum of its proper divisors (1).

42231120103309 is an equidigital number, since it uses as much as digits as its factorization.

42231120103309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 42231120103309 in words is "forty-two trillion, two hundred thirty-one billion, one hundred twenty million, one hundred three thousand, three hundred nine".