213220310303132 has 24 divisors (see below), whose sum is σ = 407067852077040. Its totient is φ = 96915728568960.

The previous prime is 213220310303107. The next prime is 213220310303197. The reversal of 213220310303132 is 231303013022312.

It is a super-2 number, since 2×213220310303132² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63194483 + ... + 66482954.

It is an arithmetic number, because the mean of its divisors is an integer number (16961160503210).

Almost surely, 2^{213220310303132} is an apocalyptic number.

213220310303132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213220310303132 is a deficient number, since it is larger than the sum of its proper divisors (193847541773908).

213220310303132 is a wasteful number, since it uses less digits than its factorization.

213220310303132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129714821 (or 129714819 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213220310303132 its reverse (231303013022312), we get a palindrome (444523323325444).

The spelling of 213220310303132 in words is "two hundred thirteen trillion, two hundred twenty billion, three hundred ten million, three hundred three thousand, one hundred thirty-two".