102043013 has 2 divisors, whose sum is σ = 102043014. Its totient is φ = 102043012.

The previous prime is 102043001. The next prime is 102043043. The reversal of 102043013 is 310340201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72471169 + 29571844 = 8513^2 + 5438^2 .

It is a cyclic number.

It is not a de Polignac number, because 102043013 - 2⁶ = 102042949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102043043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51021506 + 51021507.

It is an arithmetic number, because the mean of its divisors is an integer number (51021507).

Almost surely, 2^102043013 is an apocalyptic number.

It is an amenable number.

102043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

102043013 is an equidigital number, since it uses as much as digits as its factorization.

102043013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102043013 is about 10101.6341747264. The cubic root of 102043013 is about 467.2985403625.

Adding to 102043013 its reverse (310340201), we get a palindrome (412383214).

The spelling of 102043013 in words is "one hundred two million, forty-three thousand, thirteen".