231515010342103 has 2 divisors, whose sum is σ = 231515010342104. Its totient is φ = 231515010342102.

The previous prime is 231515010342067. The next prime is 231515010342113. The reversal of 231515010342103 is 301243010515132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231515010342103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231515010342113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115757505171051 + 115757505171052.

It is an arithmetic number, because the mean of its divisors is an integer number (115757505171052).

Almost surely, 2^{231515010342103} is an apocalyptic number.

231515010342103 is a deficient number, since it is larger than the sum of its proper divisors (1).

231515010342103 is an equidigital number, since it uses as much as digits as its factorization.

231515010342103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 231515010342103 its reverse (301243010515132), we get a palindrome (532758020857235).

The spelling of 231515010342103 in words is "two hundred thirty-one trillion, five hundred fifteen billion, ten million, three hundred forty-two thousand, one hundred three".