3220213312231 has 2 divisors, whose sum is σ = 3220213312232. Its totient is φ = 3220213312230.

The previous prime is 3220213312201. The next prime is 3220213312247. The reversal of 3220213312231 is 1322133120223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3220213312231 - 2²¹ = 3220211215079 is a prime.

It is a super-2 number, since 2×3220213312231² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3220213312196 and 3220213312205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3220213312201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610106656115 + 1610106656116.

It is an arithmetic number, because the mean of its divisors is an integer number (1610106656116).

Almost surely, 2^{3220213312231} is an apocalyptic number.

3220213312231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3220213312231 is an equidigital number, since it uses as much as digits as its factorization.

3220213312231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3220213312231 its reverse (1322133120223), we get a palindrome (4542346432454).

The spelling of 3220213312231 in words is "three trillion, two hundred twenty billion, two hundred thirteen million, three hundred twelve thousand, two hundred thirty-one".