213235010100 has 162 divisors, whose sum is σ = 777495623814. Its totient is φ = 48739420800.

The previous prime is 213235010077. The next prime is 213235010159. The reversal of 213235010100 is 1010532312.

213235010100 is a `hidden beast` number, since 213 + 2 + 350 + 1 + 0 + 100 = 666.

213235010100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 26201249424 + 187033760676 = 161868^2 + 432474^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 2373531 + ... + 2461730.

Almost surely, 2^213235010100 is an apocalyptic number.

213235010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213235010100 is an abundant number, since it is smaller than the sum of its proper divisors (564260613714).

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

213235010100 is a wasteful number, since it uses less digits than its factorization.

213235010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835295 (or 4835278 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 213235010100 its reverse (1010532312), we get a palindrome (214245542412).

The spelling of 213235010100 in words is "two hundred thirteen billion, two hundred thirty-five million, ten thousand, one hundred".