213102303030 has 384 divisors, whose sum is σ = 619531960320. Its totient is φ = 52515993600.

The previous prime is 213102303017. The next prime is 213102303049. The reversal of 213102303030 is 30303201312.

213102303030 is a `hidden beast` number, since 2 + 131 + 0 + 230 + 303 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 213102302994 and 213102303012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 792201736 + ... + 792202004.

It is an arithmetic number, because the mean of its divisors is an integer number (1613364480).

Almost surely, 2^213102303030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213102303030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309765980160).

213102303030 is an abundant number, since it is smaller than the sum of its proper divisors (406429657290).

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

213102303030 is a wasteful number, since it uses less digits than its factorization.

213102303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 574 counting only the distinct ones).

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

Adding to 213102303030 its reverse (30303201312), we get a palindrome (243405504342).

The spelling of 213102303030 in words is "two hundred thirteen billion, one hundred two million, three hundred three thousand, thirty".