13201231520303 has 2 divisors, whose sum is σ = 13201231520304. Its totient is φ = 13201231520302.

The previous prime is 13201231520227. The next prime is 13201231520311. The reversal of 13201231520303 is 30302513210231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13201231520303 - 2²⁸ = 13200963084847 is a prime.

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 (13201231520363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6600615760151 + 6600615760152.

It is an arithmetic number, because the mean of its divisors is an integer number (6600615760152).

Almost surely, 2^{13201231520303} is an apocalyptic number.

13201231520303 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201231520303 is an equidigital number, since it uses as much as digits as its factorization.

13201231520303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 13201231520303 its reverse (30302513210231), we get a palindrome (43503744730534).

The spelling of 13201231520303 in words is "thirteen trillion, two hundred one billion, two hundred thirty-one million, five hundred twenty thousand, three hundred three".