13031300123021 has 8 divisors (see below), whose sum is σ = 13067080516224. Its totient is φ = 12995521212960.

The previous prime is 13031300122993. The next prime is 13031300123041. The reversal of 13031300123021 is 12032100313031.

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 13031300123021 - 2⁶ = 13031300122957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13031300122984 and 13031300123002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031300123041) 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, 18548666 + ... + 19238388.

It is an arithmetic number, because the mean of its divisors is an integer number (1633385064528).

Almost surely, 2^{13031300123021} is an apocalyptic number.

It is an amenable number.

13031300123021 is a deficient number, since it is larger than the sum of its proper divisors (35780393203).

13031300123021 is an equidigital number, since it uses as much as digits as its factorization.

13031300123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741571.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 13031300123021 its reverse (12032100313031), we get a palindrome (25063400436052).

The spelling of 13031300123021 in words is "thirteen trillion, thirty-one billion, three hundred million, one hundred twenty-three thousand, twenty-one".