323131511141 has 4 divisors (see below), whose sum is σ = 340138432800. Its totient is φ = 306124589484.

The previous prime is 323131511137. The next prime is 323131511159. The reversal of 323131511141 is 141115131323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 323131511141 - 2² = 323131511137 is a prime.

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 323131511141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323131511191) 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, 8503460801 + ... + 8503460838.

It is an arithmetic number, because the mean of its divisors is an integer number (85034608200).

Almost surely, 2^323131511141 is an apocalyptic number.

It is an amenable number.

323131511141 is a deficient number, since it is larger than the sum of its proper divisors (17006921659).

323131511141 is a wasteful number, since it uses less digits than its factorization.

323131511141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17006921658.

The product of its digits is 1080, while the sum is 26.

Adding to 323131511141 its reverse (141115131323), we get a palindrome (464246642464).

The spelling of 323131511141 in words is "three hundred twenty-three billion, one hundred thirty-one million, five hundred eleven thousand, one hundred forty-one".