13121310353 has 2 divisors, whose sum is σ = 13121310354. Its totient is φ = 13121310352.

The previous prime is 13121310347. The next prime is 13121310361. The reversal of 13121310353 is 35301312131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13121244304 + 66049 = 114548^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 13121310353 - 2¹⁶ = 13121244817 is a prime.

It is not a weakly prime, because it can be changed into another prime (13121310313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560655176 + 6560655177.

It is an arithmetic number, because the mean of its divisors is an integer number (6560655177).

Almost surely, 2^13121310353 is an apocalyptic number.

It is an amenable number.

13121310353 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121310353 is an equidigital number, since it uses as much as digits as its factorization.

13121310353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 13121310353 its reverse (35301312131), we get a palindrome (48422622484).

The spelling of 13121310353 in words is "thirteen billion, one hundred twenty-one million, three hundred ten thousand, three hundred fifty-three".