10203031105 has 8 divisors (see below), whose sum is σ = 12444353064. Its totient is φ = 8028614400.

The previous prime is 10203031093. The next prime is 10203031121. The reversal of 10203031105 is 50113030201.

It can be written as a sum of positive squares in 4 ways, for example, as 158180929 + 10044850176 = 12577^2 + 100224^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-10203031105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16725976 + ... + 16726585.

It is an arithmetic number, because the mean of its divisors is an integer number (1555544133).

Almost surely, 2^10203031105 is an apocalyptic number.

It is an amenable number.

10203031105 is a deficient number, since it is larger than the sum of its proper divisors (2241321959).

10203031105 is an equidigital number, since it uses as much as digits as its factorization.

10203031105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33452627.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 10203031105 its reverse (50113030201), we get a palindrome (60316061306).

The spelling of 10203031105 in words is "ten billion, two hundred three million, thirty-one thousand, one hundred five".