213320212031 has 8 divisors (see below), whose sum is σ = 215542768560. Its totient is φ = 211103528832.

The previous prime is 213320212019. The next prime is 213320212087. The reversal of 213320212031 is 130212023312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213320212031 - 2³⁴ = 196140342847 is a prime.

It is a super-2 number, since 2×213320212031² (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 = 213320211994 and 213320212012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213320212331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395296 + ... + 1540613.

It is an arithmetic number, because the mean of its divisors is an integer number (26942846070).

Almost surely, 2^213320212031 is an apocalyptic number.

213320212031 is a deficient number, since it is larger than the sum of its proper divisors (2222556529).

213320212031 is a wasteful number, since it uses less digits than its factorization.

213320212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936665.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213320212031 its reverse (130212023312), we get a palindrome (343532235343).

The spelling of 213320212031 in words is "two hundred thirteen billion, three hundred twenty million, two hundred twelve thousand, thirty-one".