323231312103031 has 4 divisors (see below), whose sum is σ = 323758606250632. Its totient is φ = 322704017955432.

The previous prime is 323231312103023. The next prime is 323231312103097. The reversal of 323231312103031 is 130301213132323.

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 323231312103031 - 2³ = 323231312103023 is a prime.

It is a super-2 number, since 2×323231312103031² (a number of 30 digits) 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 (323231312103431) 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, 263647072881 + ... + 263647074106.

It is an arithmetic number, because the mean of its divisors is an integer number (80939651562658).

Almost surely, 2^{323231312103031} is an apocalyptic number.

323231312103031 is a deficient number, since it is larger than the sum of its proper divisors (527294147601).

323231312103031 is an equidigital number, since it uses as much as digits as its factorization.

323231312103031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527294147600.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 323231312103031 its reverse (130301213132323), we get a palindrome (453532525235354).

The spelling of 323231312103031 in words is "three hundred twenty-three trillion, two hundred thirty-one billion, three hundred twelve million, one hundred three thousand, thirty-one".