323106431 has 4 divisors (see below), whose sum is σ = 323144664. Its totient is φ = 323068200.

The previous prime is 323106389. The next prime is 323106439. The reversal of 323106431 is 134601323.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 323106431 - 2⁶ = 323106367 is a prime.

It is a super-2 number, since 2×323106431² = 208795531507115522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323106397 and 323106406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323106439) 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, 200 + ... + 25421.

It is an arithmetic number, because the mean of its divisors is an integer number (80786166).

Almost surely, 2^323106431 is an apocalyptic number.

323106431 is a deficient number, since it is larger than the sum of its proper divisors (38233).

323106431 is a wasteful number, since it uses less digits than its factorization.

323106431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38232.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 323106431 is about 17975.1615013607. The cubic root of 323106431 is about 686.1965560573.

Adding to 323106431 its reverse (134601323), we get a palindrome (457707754).

The spelling of 323106431 in words is "three hundred twenty-three million, one hundred six thousand, four hundred thirty-one".