323213011431 has 4 divisors (see below), whose sum is σ = 430950681912. Its totient is φ = 215475340952.

The previous prime is 323213011379. The next prime is 323213011439. The reversal of 323213011431 is 134110312323.

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 323213011431 - 2⁶ = 323213011367 is a prime.

It is a super-2 number, since 2×323213011431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323213011439) 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, 53868835236 + ... + 53868835241.

It is an arithmetic number, because the mean of its divisors is an integer number (107737670478).

Almost surely, 2^323213011431 is an apocalyptic number.

323213011431 is a deficient number, since it is larger than the sum of its proper divisors (107737670481).

323213011431 is a wasteful number, since it uses less digits than its factorization.

323213011431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107737670480.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 323213011431 its reverse (134110312323), we get a palindrome (457323323754).

The spelling of 323213011431 in words is "three hundred twenty-three billion, two hundred thirteen million, eleven thousand, four hundred thirty-one".