1521313032383 has 2 divisors, whose sum is σ = 1521313032384. Its totient is φ = 1521313032382.

The previous prime is 1521313032341. The next prime is 1521313032439. The reversal of 1521313032383 is 3832303131251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1521313032383 - 2⁶ = 1521313032319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1521313032313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760656516191 + 760656516192.

It is an arithmetic number, because the mean of its divisors is an integer number (760656516192).

Almost surely, 2^{1521313032383} is an apocalyptic number.

1521313032383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1521313032383 is an equidigital number, since it uses as much as digits as its factorization.

1521313032383 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 1521313032383 in words is "one trillion, five hundred twenty-one billion, three hundred thirteen million, thirty-two thousand, three hundred eighty-three".