20231131010321 has 8 divisors (see below), whose sum is σ = 25223228272704. Its totient is φ = 15764517670320.

The previous prime is 20231131010317. The next prime is 20231131010327. The reversal of 20231131010321 is 12301013113202.

It is a happy number.

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 20231131010321 - 2² = 20231131010317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20231131010293 and 20231131010302.

It is not an unprimeable number, because it can be changed into a prime (20231131010327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131370980510 + ... + 131370980663.

It is an arithmetic number, because the mean of its divisors is an integer number (3152903534088).

Almost surely, 2^{20231131010321} is an apocalyptic number.

It is an amenable number.

20231131010321 is a deficient number, since it is larger than the sum of its proper divisors (4992097262383).

20231131010321 is a wasteful number, since it uses less digits than its factorization.

20231131010321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262741961191.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20231131010321 its reverse (12301013113202), we get a palindrome (32532144123523).

The spelling of 20231131010321 in words is "twenty trillion, two hundred thirty-one billion, one hundred thirty-one million, ten thousand, three hundred twenty-one".