120103231 has 2 divisors, whose sum is σ = 120103232. Its totient is φ = 120103230.

The previous prime is 120103229. The next prime is 120103267. The reversal of 120103231 is 132301021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120103231 - 2¹ = 120103229 is a prime.

It is a super-2 number, since 2×120103231² = 28849572193278722, which contains 22 as substring.

Together with 120103229, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120103201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60051615 + 60051616.

It is an arithmetic number, because the mean of its divisors is an integer number (60051616).

Almost surely, 2^120103231 is an apocalyptic number.

120103231 is a deficient number, since it is larger than the sum of its proper divisors (1).

120103231 is an equidigital number, since it uses as much as digits as its factorization.

120103231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120103231 is about 10959.1619661359. The cubic root of 120103231 is about 493.3838129601.

Adding to 120103231 its reverse (132301021), we get a palindrome (252404252).

The spelling of 120103231 in words is "one hundred twenty million, one hundred three thousand, two hundred thirty-one".