213203303100 has 108 divisors (see below), whose sum is σ = 670451565784. Its totient is φ = 56668947840.

The previous prime is 213203303081. The next prime is 213203303119. The reversal of 213203303100 is 1303302312.

213203303100 is a `hidden beast` number, since 2 + 1 + 3 + 20 + 330 + 310 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (213203303081) and next prime (213203303119).

It is a super-2 number, since 2×213203303100² (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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109519 + ... + 662118.

Almost surely, 2^213203303100 is an apocalyptic number.

213203303100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213203303100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335225782892).

213203303100 is an abundant number, since it is smaller than the sum of its proper divisors (457248262684).

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

213203303100 is a wasteful number, since it uses less digits than its factorization.

213203303100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771964 (or 771954 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 213203303100 its reverse (1303302312), we get a palindrome (214506605412).

The spelling of 213203303100 in words is "two hundred thirteen billion, two hundred three million, three hundred three thousand, one hundred".