213311020302 has 24 divisors (see below), whose sum is σ = 462490708680. Its totient is φ = 71054930160.

The previous prime is 213311020289. The next prime is 213311020327. The reversal of 213311020302 is 203020113312.

213311020302 is a `hidden beast` number, since 2 + 1 + 331 + 10 + 20 + 302 = 666.

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 11 ways as a sum of consecutive naturals, for example, 4034949 + ... + 4087472.

It is an arithmetic number, because the mean of its divisors is an integer number (19270446195).

Almost surely, 2^213311020302 is an apocalyptic number.

213311020302 is an abundant number, since it is smaller than the sum of its proper divisors (249179688378).

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

213311020302 is a wasteful number, since it uses less digits than its factorization.

213311020302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123888 (or 8123885 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213311020302 its reverse (203020113312), we get a palindrome (416331133614).

The spelling of 213311020302 in words is "two hundred thirteen billion, three hundred eleven million, twenty thousand, three hundred two".