213230010100 has 36 divisors (see below), whose sum is σ = 463874722444. Its totient is φ = 85077146880.

The previous prime is 213230010089. The next prime is 213230010137. The reversal of 213230010100 is 1010032312.

It can be written as a sum of positive squares in 6 ways, for example, as 1756951056 + 211473059044 = 41916^2 + 459862^2 .

It is a super-3 number, since 3×213230010100³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2645817 + ... + 2725216.

Almost surely, 2^213230010100 is an apocalyptic number.

213230010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213230010100 is an abundant number, since it is smaller than the sum of its proper divisors (250644712344).

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

213230010100 is a wasteful number, since it uses less digits than its factorization.

213230010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371444 (or 5371437 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 213230010100 its reverse (1010032312), we get a palindrome (214240042412).

The spelling of 213230010100 in words is "two hundred thirteen billion, two hundred thirty million, ten thousand, one hundred".