323124520331 has 4 divisors (see below), whose sum is σ = 334266745200. Its totient is φ = 311982295464.

The previous prime is 323124520321. The next prime is 323124520373. The reversal of 323124520331 is 133025421323.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133025421323 = 701 ⋅189765223.

It is a cyclic number.

It is not a de Polignac number, because 323124520331 - 2¹⁸ = 323124258187 is a prime.

It is a super-2 number, since 2×323124520331² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 11142224839 = 323124520331 / (3 + 2 + 3 + 1 + 2 + 4 + 5 + 2 + 0 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323124520294 and 323124520303.

It is not an unprimeable number, because it can be changed into a prime (323124520321) 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, 5571112391 + ... + 5571112448.

It is an arithmetic number, because the mean of its divisors is an integer number (83566686300).

Almost surely, 2^323124520331 is an apocalyptic number.

323124520331 is a deficient number, since it is larger than the sum of its proper divisors (11142224869).

323124520331 is a wasteful number, since it uses less digits than its factorization.

323124520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142224868.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 323124520331 its reverse (133025421323), we get a palindrome (456149941654).

The spelling of 323124520331 in words is "three hundred twenty-three billion, one hundred twenty-four million, five hundred twenty thousand, three hundred thirty-one".