102813803 has 2 divisors, whose sum is σ = 102813804. Its totient is φ = 102813802.

The previous prime is 102813793. The next prime is 102813811. The reversal of 102813803 is 308318201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102813803 - 2²⁶ = 35704939 is a prime.

It is a super-3 number, since 3×102813803³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (102813103) 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, 51406901 + 51406902.

It is an arithmetic number, because the mean of its divisors is an integer number (51406902).

Almost surely, 2^102813803 is an apocalyptic number.

102813803 is a deficient number, since it is larger than the sum of its proper divisors (1).

102813803 is an equidigital number, since it uses as much as digits as its factorization.

102813803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 102813803 is about 10139.7141478446. The cubic root of 102813803 is about 468.4721824460.

The spelling of 102813803 in words is "one hundred two million, eight hundred thirteen thousand, eight hundred three".