323231343132281 has 2 divisors, whose sum is σ = 323231343132282. Its totient is φ = 323231343132280.

The previous prime is 323231343132263. The next prime is 323231343132337. The reversal of 323231343132281 is 182231343132323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277359046810000 + 45872296322281 = 16654100^2 + 6772909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323231343132281 is a prime.

It is a super-2 number, since 2×323231343132281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323231343192281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161615671566140 + 161615671566141.

It is an arithmetic number, because the mean of its divisors is an integer number (161615671566141).

Almost surely, 2^{323231343132281} is an apocalyptic number.

It is an amenable number.

323231343132281 is a deficient number, since it is larger than the sum of its proper divisors (1).

323231343132281 is an equidigital number, since it uses as much as digits as its factorization.

323231343132281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 41.

The spelling of 323231343132281 in words is "three hundred twenty-three trillion, two hundred thirty-one billion, three hundred forty-three million, one hundred thirty-two thousand, two hundred eighty-one".