120103231309 has 2 divisors, whose sum is σ = 120103231310. Its totient is φ = 120103231308.

The previous prime is 120103231277. The next prime is 120103231331. The reversal of 120103231309 is 903132301021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104827012900 + 15276218409 = 323770^2 + 123597^2 .

It is a cyclic number.

It is not a de Polignac number, because 120103231309 - 2⁵ = 120103231277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103231349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051615654 + 60051615655.

It is an arithmetic number, because the mean of its divisors is an integer number (60051615655).

Almost surely, 2^120103231309 is an apocalyptic number.

It is an amenable number.

120103231309 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103231309 is an equidigital number, since it uses as much as digits as its factorization.

120103231309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 120103231309 in words is "one hundred twenty billion, one hundred three million, two hundred thirty-one thousand, three hundred nine".