102310322985 has 24 divisors (see below), whose sum is σ = 190979270664. Its totient is φ = 50368158720.

The previous prime is 102310322927. The next prime is 102310323007. The reversal of 102310322985 is 589223013201.

102310322985 is a `hidden beast` number, since 10 + 2 + 310 + 322 + 9 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21013056 + 102289309929 = 4584^2 + 319827^2 .

It is not a de Polignac number, because 102310322985 - 2¹³ = 102310314793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87444136 + ... + 87445305.

It is an arithmetic number, because the mean of its divisors is an integer number (7957469611).

Almost surely, 2^102310322985 is an apocalyptic number.

102310322985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102310322985 is a deficient number, since it is larger than the sum of its proper divisors (88668947679).

102310322985 is a wasteful number, since it uses less digits than its factorization.

102310322985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174889465 (or 174889462 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 102310322985 in words is "one hundred two billion, three hundred ten million, three hundred twenty-two thousand, nine hundred eighty-five".