323212221132131 has 4 divisors (see below), whose sum is σ = 325537488910200. Its totient is φ = 320886953354064.

The previous prime is 323212221132127. The next prime is 323212221132133. The reversal of 323212221132131 is 131231122212323.

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 323212221132131 - 2² = 323212221132127 is a prime.

It is a super-2 number, since 2×323212221132131² (a number of 30 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 = 323212221132094 and 323212221132103.

It is not an unprimeable number, because it can be changed into a prime (323212221132133) 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, 1162633888826 + ... + 1162633889103.

It is an arithmetic number, because the mean of its divisors is an integer number (81384372227550).

Almost surely, 2^{323212221132131} is an apocalyptic number.

323212221132131 is a deficient number, since it is larger than the sum of its proper divisors (2325267778069).

323212221132131 is a wasteful number, since it uses less digits than its factorization.

323212221132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325267778068.

The product of its digits is 5184, while the sum is 29.

Adding to 323212221132131 its reverse (131231122212323), we get a palindrome (454443343344454).

The spelling of 323212221132131 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred twenty-one million, one hundred thirty-two thousand, one hundred thirty-one".