13103021202321 has 16 divisors (see below), whose sum is σ = 18395355357440. Its totient is φ = 8273274765840.

The previous prime is 13103021202317. The next prime is 13103021202347. The reversal of 13103021202321 is 12320212030131.

It is not a de Polignac number, because 13103021202321 - 2² = 13103021202317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13103021202311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31983175 + ... + 32390268.

It is an arithmetic number, because the mean of its divisors is an integer number (1149709709840).

Almost surely, 2^{13103021202321} is an apocalyptic number.

It is an amenable number.

13103021202321 is a deficient number, since it is larger than the sum of its proper divisors (5292334155119).

13103021202321 is a wasteful number, since it uses less digits than its factorization.

13103021202321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64377036.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13103021202321 its reverse (12320212030131), we get a palindrome (25423233232452).

The spelling of 13103021202321 in words is "thirteen trillion, one hundred three billion, twenty-one million, two hundred two thousand, three hundred twenty-one".