323131353441 has 48 divisors (see below), whose sum is σ = 518823614400. Its totient is φ = 177302725632.

The previous prime is 323131353439. The next prime is 323131353469. The reversal of 323131353441 is 144353131323.

It is a happy number.

It is not a de Polignac number, because 323131353441 - 2¹ = 323131353439 is a prime.

It is a super-2 number, since 2×323131353441² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (323131353641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 540306 + ... + 968603.

It is an arithmetic number, because the mean of its divisors is an integer number (10808825300).

Almost surely, 2^323131353441 is an apocalyptic number.

It is an amenable number.

323131353441 is a deficient number, since it is larger than the sum of its proper divisors (195692260959).

323131353441 is a wasteful number, since it uses less digits than its factorization.

323131353441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508978 (or 1508961 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

Adding to 323131353441 its reverse (144353131323), we get a palindrome (467484484764).

The spelling of 323131353441 in words is "three hundred twenty-three billion, one hundred thirty-one million, three hundred fifty-three thousand, four hundred forty-one".