32130321213 has 4 divisors (see below), whose sum is σ = 42840428288. Its totient is φ = 21420214140.

The previous prime is 32130321199. The next prime is 32130321217. The reversal of 32130321213 is 31212303123.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31212303123 = 3 ⋅10404101041.

It is not a de Polignac number, because 32130321213 - 2¹² = 32130317117 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 32130321213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130321217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5355053533 + ... + 5355053538.

It is an arithmetic number, because the mean of its divisors is an integer number (10710107072).

Almost surely, 2^32130321213 is an apocalyptic number.

It is an amenable number.

32130321213 is a deficient number, since it is larger than the sum of its proper divisors (10710107075).

32130321213 is a wasteful number, since it uses less digits than its factorization.

32130321213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10710107074.

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

Adding to 32130321213 its reverse (31212303123), we get a palindrome (63342624336).

The spelling of 32130321213 in words is "thirty-two billion, one hundred thirty million, three hundred twenty-one thousand, two hundred thirteen".