102313693 has 2 divisors, whose sum is σ = 102313694. Its totient is φ = 102313692.

The previous prime is 102313643. The next prime is 102313697. The reversal of 102313693 is 396313201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63712324 + 38601369 = 7982^2 + 6213^2 .

It is an emirp because it is prime and its reverse (396313201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102313693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102313697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156846 + 51156847.

It is an arithmetic number, because the mean of its divisors is an integer number (51156847).

Almost surely, 2^102313693 is an apocalyptic number.

It is an amenable number.

102313693 is a deficient number, since it is larger than the sum of its proper divisors (1).

102313693 is an equidigital number, since it uses as much as digits as its factorization.

102313693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 102313693 is about 10115.0231339330. The cubic root of 102313693 is about 467.7113620032.

Adding to 102313693 its reverse (396313201), we get a palindrome (498626894).

It can be divided in two parts, 10231 and 3693, that added together give a square (13924 = 118²).

The spelling of 102313693 in words is "one hundred two million, three hundred thirteen thousand, six hundred ninety-three".