321312003213 has 16 divisors (see below), whose sum is σ = 433926068480. Its totient is φ = 211454058816.

The previous prime is 321312003101. The next prime is 321312003217. The reversal of 321312003213 is 312300213123.

It is not a de Polignac number, because 321312003213 - 2¹³ = 321311995021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321312003213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321312003217) 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, 1069731 + ... + 1336767.

It is an arithmetic number, because the mean of its divisors is an integer number (27120379280).

Almost surely, 2^321312003213 is an apocalyptic number.

It is an amenable number.

321312003213 is a deficient number, since it is larger than the sum of its proper divisors (112614065267).

321312003213 is a wasteful number, since it uses less digits than its factorization.

321312003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272196.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321312003213 its reverse (312300213123), we get a palindrome (633612216336).

The spelling of 321312003213 in words is "three hundred twenty-one billion, three hundred twelve million, three thousand, two hundred thirteen".