231103515343 has 2 divisors, whose sum is σ = 231103515344. Its totient is φ = 231103515342.

The previous prime is 231103515329. The next prime is 231103515371. The reversal of 231103515343 is 343515301132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231103515343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231103515323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115551757671 + 115551757672.

It is an arithmetic number, because the mean of its divisors is an integer number (115551757672).

Almost surely, 2^231103515343 is an apocalyptic number.

231103515343 is a deficient number, since it is larger than the sum of its proper divisors (1).

231103515343 is an equidigital number, since it uses as much as digits as its factorization.

231103515343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 231103515343 its reverse (343515301132), we get a palindrome (574618816475).

The spelling of 231103515343 in words is "two hundred thirty-one billion, one hundred three million, five hundred fifteen thousand, three hundred forty-three".