323213131231129 has 2 divisors, whose sum is σ = 323213131231130. Its totient is φ = 323213131231128.

The previous prime is 323213131231093. The next prime is 323213131231171. The reversal of 323213131231129 is 921132131312323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200595667712400 + 122617463518729 = 14163180^2 + 11073277^2 .

It is a cyclic number.

It is not a de Polignac number, because 323213131231129 - 2⁹ = 323213131230617 is a prime.

It is a super-2 number, since 2×323213131231129² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (323211131231129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606565615564 + 161606565615565.

It is an arithmetic number, because the mean of its divisors is an integer number (161606565615565).

Almost surely, 2^{323213131231129} is an apocalyptic number.

It is an amenable number.

323213131231129 is a deficient number, since it is larger than the sum of its proper divisors (1).

323213131231129 is an equidigital number, since it uses as much as digits as its factorization.

323213131231129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The spelling of 323213131231129 in words is "three hundred twenty-three trillion, two hundred thirteen billion, one hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty-nine".