101311230321 has 72 divisors (see below), whose sum is σ = 172404071424. Its totient is φ = 57157410240.

The previous prime is 101311230311. The next prime is 101311230337. The reversal of 101311230321 is 123032113101.

101311230321 is a `hidden beast` number, since 1 + 0 + 1 + 311 + 2 + 30 + 321 = 666.

It is not a de Polignac number, because 101311230321 - 2⁹ = 101311229809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101311230294 and 101311230303.

It is not an unprimeable number, because it can be changed into a prime (101311230311) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11813191 + ... + 11821763.

It is an arithmetic number, because the mean of its divisors is an integer number (2394500992).

Almost surely, 2^101311230321 is an apocalyptic number.

It is an amenable number.

101311230321 is a deficient number, since it is larger than the sum of its proper divisors (71092841103).

101311230321 is a wasteful number, since it uses less digits than its factorization.

101311230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931 (or 8921 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 101311230321 its reverse (123032113101), we get a palindrome (224343343422).

The spelling of 101311230321 in words is "one hundred one billion, three hundred eleven million, two hundred thirty thousand, three hundred twenty-one".