323131967 has 4 divisors (see below), whose sum is σ = 328608840. Its totient is φ = 317655096.

The previous prime is 323131961. The next prime is 323131973. The reversal of 323131967 is 769131323.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (323131961) and next prime (323131973).

It is a cyclic number.

It is not a de Polignac number, because 323131967 - 2¹⁸ = 322869823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2738348 + ... + 2738465.

It is an arithmetic number, because the mean of its divisors is an integer number (82152210).

Almost surely, 2^323131967 is an apocalyptic number.

323131967 is a deficient number, since it is larger than the sum of its proper divisors (5476873).

323131967 is an equidigital number, since it uses as much as digits as its factorization.

323131967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476872.

The product of its digits is 20412, while the sum is 35.

The square root of 323131967 is about 17975.8718008335. The cubic root of 323131967 is about 686.2146329220.

The spelling of 323131967 in words is "three hundred twenty-three million, one hundred thirty-one thousand, nine hundred sixty-seven".