323440334131 has 2 divisors, whose sum is σ = 323440334132. Its totient is φ = 323440334130.

The previous prime is 323440334123. The next prime is 323440334137. The reversal of 323440334131 is 131433044323.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 323440334131 - 2³ = 323440334123 is a prime.

It is a super-2 number, since 2×323440334131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323440334093 and 323440334102.

It is not a weakly prime, because it can be changed into another prime (323440334137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161720167065 + 161720167066.

It is an arithmetic number, because the mean of its divisors is an integer number (161720167066).

Almost surely, 2^323440334131 is an apocalyptic number.

323440334131 is a deficient number, since it is larger than the sum of its proper divisors (1).

323440334131 is an equidigital number, since it uses as much as digits as its factorization.

323440334131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 323440334131 its reverse (131433044323), we get a palindrome (454873378454).

The spelling of 323440334131 in words is "three hundred twenty-three billion, four hundred forty million, three hundred thirty-four thousand, one hundred thirty-one".