13103311132231 has 2 divisors, whose sum is σ = 13103311132232. Its totient is φ = 13103311132230.

The previous prime is 13103311132229. The next prime is 13103311132309. The reversal of 13103311132231 is 13223111330131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13103311132231 - 2¹ = 13103311132229 is a prime.

It is a super-3 number, since 3×13103311132231³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 13103311132229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13103311132196 and 13103311132205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13103317132231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551655566115 + 6551655566116.

It is an arithmetic number, because the mean of its divisors is an integer number (6551655566116).

Almost surely, 2^{13103311132231} is an apocalyptic number.

13103311132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13103311132231 is an equidigital number, since it uses as much as digits as its factorization.

13103311132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13103311132231 its reverse (13223111330131), we get a palindrome (26326422462362).

The spelling of 13103311132231 in words is "thirteen trillion, one hundred three billion, three hundred eleven million, one hundred thirty-two thousand, two hundred thirty-one".