321100012654513 has 4 divisors (see below), whose sum is σ = 338000013320560. Its totient is φ = 304200011988468.

The previous prime is 321100012654489. The next prime is 321100012654523. The reversal of 321100012654513 is 315456210001123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 321100012654513 - 2⁵ = 321100012654481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321100012654523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8450000332995 + ... + 8450000333032.

It is an arithmetic number, because the mean of its divisors is an integer number (84500003330140).

Almost surely, 2^{321100012654513} is an apocalyptic number.

It is an amenable number.

321100012654513 is a deficient number, since it is larger than the sum of its proper divisors (16900000666047).

321100012654513 is a wasteful number, since it uses less digits than its factorization.

321100012654513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900000666046.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 321100012654513 its reverse (315456210001123), we get a palindrome (636556222655636).

The spelling of 321100012654513 in words is "three hundred twenty-one trillion, one hundred billion, twelve million, six hundred fifty-four thousand, five hundred thirteen".