1003213101 has 16 divisors (see below), whose sum is σ = 1461519360. Its totient is φ = 607049520.

The previous prime is 1003213093. The next prime is 1003213111. The reversal of 1003213101 is 1013123001.

It is not a de Polignac number, because 1003213101 - 2³ = 1003213093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003213111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2421 + ... + 44858.

It is an arithmetic number, because the mean of its divisors is an integer number (91344960).

Almost surely, 2^1003213101 is an apocalyptic number.

1003213101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1003213101 is a deficient number, since it is larger than the sum of its proper divisors (458306259).

1003213101 is a wasteful number, since it uses less digits than its factorization.

1003213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47936.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1003213101 is about 31673.5394454109. The cubic root of 1003213101 is about 1001.0698885968.

Adding to 1003213101 its reverse (1013123001), we get a palindrome (2016336102).

The spelling of 1003213101 in words is "one billion, three million, two hundred thirteen thousand, one hundred one".