323131001223133 has 4 divisors (see below), whose sum is σ = 323251168946620. Its totient is φ = 323010833499648.

The previous prime is 323131001223061. The next prime is 323131001223179. The reversal of 323131001223133 is 331322100131323.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16036324593444 + 307094676629689 = 4004538^2 + 17524117^2 .

It is a cyclic number.

It is not a de Polignac number, because 323131001223133 - 2²⁵ = 323130967668701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131011223133) 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, 60083857710 + ... + 60083863087.

It is an arithmetic number, because the mean of its divisors is an integer number (80812792236655).

Almost surely, 2^{323131001223133} is an apocalyptic number.

It is an amenable number.

323131001223133 is a deficient number, since it is larger than the sum of its proper divisors (120167723487).

323131001223133 is a wasteful number, since it uses less digits than its factorization.

323131001223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120167723486.

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

Adding to 323131001223133 its reverse (331322100131323), we get a palindrome (654453101354456).

The spelling of 323131001223133 in words is "three hundred twenty-three trillion, one hundred thirty-one billion, one million, two hundred twenty-three thousand, one hundred thirty-three".