103120231 has 2 divisors, whose sum is σ = 103120232. Its totient is φ = 103120230.

The previous prime is 103120223. The next prime is 103120243. The reversal of 103120231 is 132021301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103120231 - 2³ = 103120223 is a prime.

It is a super-2 number, since 2×103120231² = 21267564082986722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103120261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560115 + 51560116.

It is an arithmetic number, because the mean of its divisors is an integer number (51560116).

Almost surely, 2^103120231 is an apocalyptic number.

103120231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120231 is an equidigital number, since it uses as much as digits as its factorization.

103120231 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 103120231 is about 10154.8131937520. The cubic root of 103120231 is about 468.9371349766.

Adding to 103120231 its reverse (132021301), we get a palindrome (235141532).

The spelling of 103120231 in words is "one hundred three million, one hundred twenty thousand, two hundred thirty-one".