1521313032341 has 2 divisors, whose sum is σ = 1521313032342. Its totient is φ = 1521313032340.

The previous prime is 1521313032331. The next prime is 1521313032383. The reversal of 1521313032341 is 1432303131251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804691526116 + 716621506225 = 897046^2 + 846535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1521313032341 - 2¹⁰ = 1521313031317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1521313032331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760656516170 + 760656516171.

It is an arithmetic number, because the mean of its divisors is an integer number (760656516171).

Almost surely, 2^{1521313032341} is an apocalyptic number.

It is an amenable number.

1521313032341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521313032341 is an equidigital number, since it uses as much as digits as its factorization.

1521313032341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 1521313032341 its reverse (1432303131251), we get a palindrome (2953616163592).

The spelling of 1521313032341 in words is "one trillion, five hundred twenty-one billion, three hundred thirteen million, thirty-two thousand, three hundred forty-one".