323021331131 has 2 divisors, whose sum is σ = 323021331132. Its totient is φ = 323021331130.

The previous prime is 323021331089. The next prime is 323021331299. The reversal of 323021331131 is 131133120323.

It is a weak prime.

It is an emirp because it is prime and its reverse (131133120323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323021331131 - 2¹⁸ = 323021068987 is a prime.

It is a super-2 number, since 2×323021331131² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 323021331097 and 323021331106.

It is not a weakly prime, because it can be changed into another prime (323021331631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161510665565 + 161510665566.

It is an arithmetic number, because the mean of its divisors is an integer number (161510665566).

Almost surely, 2^323021331131 is an apocalyptic number.

323021331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

323021331131 is an equidigital number, since it uses as much as digits as its factorization.

323021331131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 323021331131 its reverse (131133120323), we get a palindrome (454154451454).

The spelling of 323021331131 in words is "three hundred twenty-three billion, twenty-one million, three hundred thirty-one thousand, one hundred thirty-one".