10103031020 has 24 divisors (see below), whose sum is σ = 21947965200. Its totient is φ = 3901860032.

The previous prime is 10103031019. The next prime is 10103031061. The reversal of 10103031020 is 2013030101.

It is a junction number, because it is equal to n+sod(n) for n = 10103030992 and 10103031010.

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, 8708930 + ... + 8710089.

It is an arithmetic number, because the mean of its divisors is an integer number (914498550).

Almost surely, 2^10103031020 is an apocalyptic number.

10103031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103031020 is an abundant number, since it is smaller than the sum of its proper divisors (11844934180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103031020 is a wasteful number, since it uses less digits than its factorization.

10103031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17419057 (or 17419055 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 10103031020 its reverse (2013030101), we get a palindrome (12116061121).

The spelling of 10103031020 in words is "ten billion, one hundred three million, thirty-one thousand, twenty".