213322224131 has 4 divisors (see below), whose sum is σ = 216506137992. Its totient is φ = 210138310272.

The previous prime is 213322224121. The next prime is 213322224149. The reversal of 213322224131 is 131422223312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213322224131 - 2⁶ = 213322224067 is a prime.

It is a super-2 number, since 2×213322224131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213322224131.

It is not an unprimeable number, because it can be changed into a prime (213322224121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1591956830 + ... + 1591956963.

It is an arithmetic number, because the mean of its divisors is an integer number (54126534498).

Almost surely, 2^213322224131 is an apocalyptic number.

213322224131 is a deficient number, since it is larger than the sum of its proper divisors (3183913861).

213322224131 is an equidigital number, since it uses as much as digits as its factorization.

213322224131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183913860.

The product of its digits is 3456, while the sum is 26.

Adding to 213322224131 its reverse (131422223312), we get a palindrome (344744447443).

The spelling of 213322224131 in words is "two hundred thirteen billion, three hundred twenty-two million, two hundred twenty-four thousand, one hundred thirty-one".