231111310230321 has 8 divisors (see below), whose sum is σ = 308148609002400. Its totient is φ = 154074109139232.

The previous prime is 231111310230239. The next prime is 231111310230331. The reversal of 231111310230321 is 123032013111132.

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

It is not a de Polignac number, because 231111310230321 - 2¹¹ = 231111310228273 is a prime.

It is a super-2 number, since 2×231111310230321² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231111310230291 and 231111310230300.

It is not an unprimeable number, because it can be changed into a prime (231111310230331) 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, 18708796 + ... + 28499853.

It is an arithmetic number, because the mean of its divisors is an integer number (38518576125300).

Almost surely, 2^{231111310230321} is an apocalyptic number.

It is an amenable number.

231111310230321 is a deficient number, since it is larger than the sum of its proper divisors (77037298772079).

231111310230321 is a wasteful number, since it uses less digits than its factorization.

231111310230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48840495.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 231111310230321 its reverse (123032013111132), we get a palindrome (354143323341453).

The spelling of 231111310230321 in words is "two hundred thirty-one trillion, one hundred eleven billion, three hundred ten million, two hundred thirty thousand, three hundred twenty-one".