102213731393 has 2 divisors, whose sum is σ = 102213731394. Its totient is φ = 102213731392.

The previous prime is 102213731369. The next prime is 102213731449. The reversal of 102213731393 is 393137312201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93621924529 + 8591806864 = 305977^2 + 92692^2 .

It is a cyclic number.

It is not a de Polignac number, because 102213731393 - 2¹⁰ = 102213730369 is a prime.

It is not a weakly prime, because it can be changed into another prime (102213730393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106865696 + 51106865697.

It is an arithmetic number, because the mean of its divisors is an integer number (51106865697).

Almost surely, 2^102213731393 is an apocalyptic number.

It is an amenable number.

102213731393 is a deficient number, since it is larger than the sum of its proper divisors (1).

102213731393 is an equidigital number, since it uses as much as digits as its factorization.

102213731393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The spelling of 102213731393 in words is "one hundred two billion, two hundred thirteen million, seven hundred thirty-one thousand, three hundred ninety-three".