213322131213031 has 2 divisors, whose sum is σ = 213322131213032. Its totient is φ = 213322131213030.

The previous prime is 213322131212893. The next prime is 213322131213053. The reversal of 213322131213031 is 130312131223312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213322131213031 - 2²⁵ = 213322097658599 is a prime.

It is a super-2 number, since 2×213322131213031² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213322131213091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661065606515 + 106661065606516.

It is an arithmetic number, because the mean of its divisors is an integer number (106661065606516).

Almost surely, 2^{213322131213031} is an apocalyptic number.

213322131213031 is a deficient number, since it is larger than the sum of its proper divisors (1).

213322131213031 is an equidigital number, since it uses as much as digits as its factorization.

213322131213031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 213322131213031 its reverse (130312131223312), we get a palindrome (343634262436343).

The spelling of 213322131213031 in words is "two hundred thirteen trillion, three hundred twenty-two billion, one hundred thirty-one million, two hundred thirteen thousand, thirty-one".