102316399 has 4 divisors (see below), whose sum is σ = 105616960. Its totient is φ = 99015840.

The previous prime is 102316381. The next prime is 102316427. The reversal of 102316399 is 993613201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102316399 - 2¹⁹ = 101792111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102316339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650234 + ... + 1650295.

It is an arithmetic number, because the mean of its divisors is an integer number (26404240).

Almost surely, 2^102316399 is an apocalyptic number.

102316399 is a deficient number, since it is larger than the sum of its proper divisors (3300561).

102316399 is an equidigital number, since it uses as much as digits as its factorization.

102316399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300560.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 102316399 is about 10115.1568944827. The cubic root of 102316399 is about 467.7154853215.

The spelling of 102316399 in words is "one hundred two million, three hundred sixteen thousand, three hundred ninety-nine".