131223210010321 has 32 divisors (see below), whose sum is σ = 155108728494720. Its totient is φ = 109444493606400.

The previous prime is 131223210010289. The next prime is 131223210010339. The reversal of 131223210010321 is 123010012322131.

It is a cyclic number.

It is not a de Polignac number, because 131223210010321 - 2⁵ = 131223210010289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131223210010292 and 131223210010301.

It is not an unprimeable number, because it can be changed into a prime (131223210010381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15189621 + ... + 22207453.

It is an arithmetic number, because the mean of its divisors is an integer number (4847147765460).

Almost surely, 2^{131223210010321} is an apocalyptic number.

131223210010321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

131223210010321 is a deficient number, since it is larger than the sum of its proper divisors (23885518484399).

131223210010321 is a wasteful number, since it uses less digits than its factorization.

131223210010321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018657.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 131223210010321 its reverse (123010012322131), we get a palindrome (254233222332452).

The spelling of 131223210010321 in words is "one hundred thirty-one trillion, two hundred twenty-three billion, two hundred ten million, ten thousand, three hundred twenty-one".