213220231032330 has 64 divisors (see below), whose sum is σ = 570749211774720. Its totient is φ = 56642535373248.

The previous prime is 213220231032323. The next prime is 213220231032337. The reversal of 213220231032330 is 33230132022312.

213220231032330 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 20 + 2 + 310 + 323 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (213220231032323) and next prime (213220231032337).

It is a super-2 number, since 2×213220231032330² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213220231032294 and 213220231032303.

It is not an unprimeable number, because it can be changed into a prime (213220231032337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1501268457 + ... + 1501410476.

It is an arithmetic number, because the mean of its divisors is an integer number (8917956433980).

Almost surely, 2^{213220231032330} is an apocalyptic number.

213220231032330 is an abundant number, since it is smaller than the sum of its proper divisors (357528980742390).

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

213220231032330 is a wasteful number, since it uses less digits than its factorization.

213220231032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002679212 (or 3002679206 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 213220231032330 its reverse (33230132022312), we get a palindrome (246450363054642).

The spelling of 213220231032330 in words is "two hundred thirteen trillion, two hundred twenty billion, two hundred thirty-one million, thirty-two thousand, three hundred thirty".