231301323331 has 8 divisors (see below), whose sum is σ = 255169190304. Its totient is φ = 208301378880.

The previous prime is 231301323311. The next prime is 231301323361. The reversal of 231301323331 is 133323103132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231301323331 - 2²⁵ = 231267768899 is a prime.

It is a super-2 number, since 2×231301323331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231301323296 and 231301323305.

It is not an unprimeable number, because it can be changed into a prime (231301323311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216980071 + ... + 216981136.

It is an arithmetic number, because the mean of its divisors is an integer number (31896148788).

Almost surely, 2^231301323331 is an apocalyptic number.

231301323331 is a deficient number, since it is larger than the sum of its proper divisors (23867866973).

231301323331 is a wasteful number, since it uses less digits than its factorization.

231301323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433961261.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 231301323331 its reverse (133323103132), we get a palindrome (364624426463).

The spelling of 231301323331 in words is "two hundred thirty-one billion, three hundred one million, three hundred twenty-three thousand, three hundred thirty-one".