102310403 has 24 divisors (see below), whose sum is σ = 118584000. Its totient is φ = 87919104.

The previous prime is 102310391. The next prime is 102310423. The reversal of 102310403 is 304013201.

It is not a de Polignac number, because 102310403 - 2⁴ = 102310387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102310423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 427958 + ... + 428196.

It is an arithmetic number, because the mean of its divisors is an integer number (4941000).

Almost surely, 2^102310403 is an apocalyptic number.

102310403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102310403 is a deficient number, since it is larger than the sum of its proper divisors (16273597).

102310403 is a wasteful number, since it uses less digits than its factorization.

102310403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102310403 is about 10114.8605032398. The cubic root of 102310403 is about 467.7063487059.

Adding to 102310403 its reverse (304013201), we get a palindrome (406323604).

The spelling of 102310403 in words is "one hundred two million, three hundred ten thousand, four hundred three".