213033131100 has 54 divisors (see below), whose sum is σ = 667740517080. Its totient is φ = 56808834720.

The previous prime is 213033131099. The next prime is 213033131119. The reversal of 213033131100 is 1131330312.

It is a happy number.

213033131100 is a `hidden beast` number, since 21 + 3 + 0 + 331 + 311 + 0 + 0 = 666.

213033131100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213033131100² (a number of 23 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 118350840 + ... + 118352639.

Almost surely, 2^213033131100 is an apocalyptic number.

213033131100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213033131100 is an abundant number, since it is smaller than the sum of its proper divisors (454707385980).

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

213033131100 is a wasteful number, since it uses less digits than its factorization.

213033131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236703499 (or 236703489 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 213033131100 its reverse (1131330312), we get a palindrome (214164461412).

The spelling of 213033131100 in words is "two hundred thirteen billion, thirty-three million, one hundred thirty-one thousand, one hundred".