323401031 has 4 divisors (see below), whose sum is σ = 330281952. Its totient is φ = 316520112.

The previous prime is 323400997. The next prime is 323401037. The reversal of 323401031 is 130104323.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 323401031 - 2¹⁸ = 323138887 is a prime.

It is a super-2 number, since 2×323401031² = 209176453703725922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323401037) 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, 3440390 + ... + 3440483.

It is an arithmetic number, because the mean of its divisors is an integer number (82570488).

Almost surely, 2^323401031 is an apocalyptic number.

323401031 is a deficient number, since it is larger than the sum of its proper divisors (6880921).

323401031 is an equidigital number, since it uses as much as digits as its factorization.

323401031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6880920.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 323401031 is about 17983.3542755516. The cubic root of 323401031 is about 686.4050447344.

Adding to 323401031 its reverse (130104323), we get a palindrome (453505354).

The spelling of 323401031 in words is "three hundred twenty-three million, four hundred one thousand, thirty-one".