213330022031 has 32 divisors (see below), whose sum is σ = 251112652800. Its totient is φ = 181145160000.

The previous prime is 213330022001. The next prime is 213330022067. The reversal of 213330022031 is 130220033312.

It is not a de Polignac number, because 213330022031 - 2¹⁸ = 213329759887 is a prime.

It is a super-2 number, since 2×213330022031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213330021994 and 213330022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213330022001) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32711051 + ... + 32717571.

It is an arithmetic number, because the mean of its divisors is an integer number (7847270400).

Almost surely, 2^213330022031 is an apocalyptic number.

213330022031 is a deficient number, since it is larger than the sum of its proper divisors (37782630769).

213330022031 is an equidigital number, since it uses as much as digits as its factorization.

213330022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7420 (or 7406 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213330022031 its reverse (130220033312), we get a palindrome (343550055343).

The spelling of 213330022031 in words is "two hundred thirteen billion, three hundred thirty million, twenty-two thousand, thirty-one".