323211232131 has 16 divisors (see below), whose sum is σ = 432599056128. Its totient is φ = 214649957600.

The previous prime is 323211232121. The next prime is 323211232133. The reversal of 323211232131 is 131232112323.

It is a cyclic number.

It is not a de Polignac number, because 323211232131 - 2⁶ = 323211232067 is a prime.

It is a super-2 number, since 2×323211232131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323211232133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958186 + ... + 1250816.

It is an arithmetic number, because the mean of its divisors is an integer number (27037441008).

Almost surely, 2^323211232131 is an apocalyptic number.

323211232131 is a deficient number, since it is larger than the sum of its proper divisors (109387823997).

323211232131 is a wasteful number, since it uses less digits than its factorization.

323211232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294042.

The product of its digits is 1296, while the sum is 24.

Adding to 323211232131 its reverse (131232112323), we get a palindrome (454443344454).

The spelling of 323211232131 in words is "three hundred twenty-three billion, two hundred eleven million, two hundred thirty-two thousand, one hundred thirty-one".