321002011213403 has 4 divisors (see below), whose sum is σ = 345694473614448. Its totient is φ = 296309548812360.

The previous prime is 321002011213397. The next prime is 321002011213427. The reversal of 321002011213403 is 304312110200123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321002011213403 - 2³⁶ = 320933291736667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321002011213003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12346231200503 + ... + 12346231200528.

It is an arithmetic number, because the mean of its divisors is an integer number (86423618403612).

Almost surely, 2^{321002011213403} is an apocalyptic number.

321002011213403 is a deficient number, since it is larger than the sum of its proper divisors (24692462401045).

321002011213403 is a wasteful number, since it uses less digits than its factorization.

321002011213403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24692462401044.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 321002011213403 its reverse (304312110200123), we get a palindrome (625314121413526).

The spelling of 321002011213403 in words is "three hundred twenty-one trillion, two billion, eleven million, two hundred thirteen thousand, four hundred three".