13102031221321 has 8 divisors (see below), whose sum is σ = 14974009710464. Its totient is φ = 11230117668000.

The previous prime is 13102031221273. The next prime is 13102031221439. The reversal of 13102031221321 is 12312213020131.

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

It is not a de Polignac number, because 13102031221321 - 2²¹ = 13102029124169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13102031221292 and 13102031221301.

It is not an unprimeable number, because it can be changed into a prime (13102031221021) 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, 15800820 + ... + 16609333.

It is an arithmetic number, because the mean of its divisors is an integer number (1871751213808).

Almost surely, 2^{13102031221321} is an apocalyptic number.

It is an amenable number.

13102031221321 is a deficient number, since it is larger than the sum of its proper divisors (1871978489143).

13102031221321 is an equidigital number, since it uses as much as digits as its factorization.

13102031221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32467911.

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

Adding to 13102031221321 its reverse (12312213020131), we get a palindrome (25414244241452).

The spelling of 13102031221321 in words is "thirteen trillion, one hundred two billion, thirty-one million, two hundred twenty-one thousand, three hundred twenty-one".