102319901 has 2 divisors, whose sum is σ = 102319902. Its totient is φ = 102319900.

The previous prime is 102319897. The next prime is 102319907. The reversal of 102319901 is 109913201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99480676 + 2839225 = 9974^2 + 1685^2 .

It is an emirp because it is prime and its reverse (109913201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102319901 - 2² = 102319897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102319907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51159950 + 51159951.

It is an arithmetic number, because the mean of its divisors is an integer number (51159951).

Almost surely, 2^102319901 is an apocalyptic number.

It is an amenable number.

102319901 is a deficient number, since it is larger than the sum of its proper divisors (1).

102319901 is an equidigital number, since it uses as much as digits as its factorization.

102319901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 102319901 is about 10115.3299995601. The cubic root of 102319901 is about 467.7208214519.

The spelling of 102319901 in words is "one hundred two million, three hundred nineteen thousand, nine hundred one".