323112131001031 has 4 divisors (see below), whose sum is σ = 323284641483952. Its totient is φ = 322939620518112.

The previous prime is 323112131001019. The next prime is 323112131001047. The reversal of 323112131001031 is 130100131211323.

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 323112131001031 - 2⁷ = 323112131000903 is a prime.

It is a super-2 number, since 2×323112131001031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323112131000993 and 323112131001011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323112131031031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86255238651 + ... + 86255242396.

It is an arithmetic number, because the mean of its divisors is an integer number (80821160370988).

Almost surely, 2^{323112131001031} is an apocalyptic number.

323112131001031 is a deficient number, since it is larger than the sum of its proper divisors (172510482921).

323112131001031 is a wasteful number, since it uses less digits than its factorization.

323112131001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172510482920.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 323112131001031 its reverse (130100131211323), we get a palindrome (453212262212354).

The spelling of 323112131001031 in words is "three hundred twenty-three trillion, one hundred twelve billion, one hundred thirty-one million, one thousand, thirty-one".