1020003100 has 36 divisors (see below), whose sum is σ = 2219517664. Its totient is φ = 406874880.

The previous prime is 1020003091. The next prime is 1020003107. The reversal of 1020003100 is 13000201.

It is a super-2 number, since 2×1020003100² = 2080812648019220000, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020003107) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22804 + ... + 50596.

Almost surely, 2^1020003100 is an apocalyptic number.

1020003100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020003100 is an abundant number, since it is smaller than the sum of its proper divisors (1199514564).

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

1020003100 is a wasteful number, since it uses less digits than its factorization.

1020003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28174 (or 28167 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1020003100 is about 31937.4873776883. The cubic root of 1020003100 is about 1006.6237293403.

Adding to 1020003100 its reverse (13000201), we get a palindrome (1033003301).

The spelling of 1020003100 in words is "one billion, twenty million, three thousand, one hundred".