10120340231 has 2 divisors, whose sum is σ = 10120340232. Its totient is φ = 10120340230.

The previous prime is 10120340183. The next prime is 10120340249. The reversal of 10120340231 is 13204302101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10120340231 is a prime.

It is a super-2 number, since 2×10120340231² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120349231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060170115 + 5060170116.

It is an arithmetic number, because the mean of its divisors is an integer number (5060170116).

Almost surely, 2^10120340231 is an apocalyptic number.

10120340231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120340231 is an equidigital number, since it uses as much as digits as its factorization.

10120340231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10120340231 its reverse (13204302101), we get a palindrome (23324642332).

The spelling of 10120340231 in words is "ten billion, one hundred twenty million, three hundred forty thousand, two hundred thirty-one".