323313131231 has 4 divisors (see below), whose sum is σ = 325673081232. Its totient is φ = 320953181232.

The previous prime is 323313131209. The next prime is 323313131299. The reversal of 323313131231 is 132131313323.

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 323313131231 - 2¹⁰ = 323313130207 is a prime.

It is a super-2 number, since 2×323313131231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 323313131231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323313131731) 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, 1179974795 + ... + 1179975068.

It is an arithmetic number, because the mean of its divisors is an integer number (81418270308).

Almost surely, 2^323313131231 is an apocalyptic number.

323313131231 is a deficient number, since it is larger than the sum of its proper divisors (2359950001).

323313131231 is a wasteful number, since it uses less digits than its factorization.

323313131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359950000.

The product of its digits is 2916, while the sum is 26.

Adding to 323313131231 its reverse (132131313323), we get a palindrome (455444444554).

The spelling of 323313131231 in words is "three hundred twenty-three billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred thirty-one".