1322552312131 has 4 divisors (see below), whose sum is σ = 1322560843264. Its totient is φ = 1322543781000.

The previous prime is 1322552312087. The next prime is 1322552312273. The reversal of 1322552312131 is 1312132552231.

It is a happy number.

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 1322552312131 - 2¹¹ = 1322552310083 is a prime.

It is a super-2 number, since 2×1322552312131² (a number of 25 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 = 1322552312093 and 1322552312102.

It is not an unprimeable number, because it can be changed into a prime (1322552322131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028640 + ... + 4344541.

It is an arithmetic number, because the mean of its divisors is an integer number (330640210816).

Almost surely, 2^{1322552312131} is an apocalyptic number.

1322552312131 is a deficient number, since it is larger than the sum of its proper divisors (8531133).

1322552312131 is an equidigital number, since it uses as much as digits as its factorization.

1322552312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8531132.

The product of its digits is 10800, while the sum is 31.

Adding to 1322552312131 its reverse (1312132552231), we get a palindrome (2634684864362).

The spelling of 1322552312131 in words is "one trillion, three hundred twenty-two billion, five hundred fifty-two million, three hundred twelve thousand, one hundred thirty-one".