323105552131 has 2 divisors, whose sum is σ = 323105552132. Its totient is φ = 323105552130.

The previous prime is 323105552129. The next prime is 323105552137. The reversal of 323105552131 is 131255501323.

It is a weak prime.

It is an emirp because it is prime and its reverse (131255501323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323105552131 - 2¹ = 323105552129 is a prime.

It is a super-2 number, since 2×323105552131² (a number of 24 digits) contains 22 as substring.

Together with 323105552129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 323105552093 and 323105552102.

It is not a weakly prime, because it can be changed into another prime (323105552137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161552776065 + 161552776066.

It is an arithmetic number, because the mean of its divisors is an integer number (161552776066).

Almost surely, 2^323105552131 is an apocalyptic number.

323105552131 is a deficient number, since it is larger than the sum of its proper divisors (1).

323105552131 is an equidigital number, since it uses as much as digits as its factorization.

323105552131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 323105552131 in words is "three hundred twenty-three billion, one hundred five million, five hundred fifty-two thousand, one hundred thirty-one".