213331212302 has 64 divisors (see below), whose sum is σ = 354818330496. Its totient is φ = 95591301120.

The previous prime is 213331212301. The next prime is 213331212343. The reversal of 213331212302 is 203212133312.

It is a super-2 number, since 2×213331212302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213331212301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155375288 + ... + 155376660.

It is an arithmetic number, because the mean of its divisors is an integer number (5544036414).

Almost surely, 2^213331212302 is an apocalyptic number.

213331212302 is a deficient number, since it is larger than the sum of its proper divisors (141487118194).

213331212302 is a wasteful number, since it uses less digits than its factorization.

213331212302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213331212302 its reverse (203212133312), we get a palindrome (416543345614).

The spelling of 213331212302 in words is "two hundred thirteen billion, three hundred thirty-one million, two hundred twelve thousand, three hundred two".