32321220222013 has 4 divisors (see below), whose sum is σ = 32321942673948. Its totient is φ = 32320497770080.

The previous prime is 32321220222007. The next prime is 32321220222091. The reversal of 32321220222013 is 31022202212323.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1934027020249 + 30387193201764 = 1390693^2 + 5512458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32321220222013 is a prime.

It is a super-2 number, since 2×32321220222013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32321220222413) 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, 361158856 + ... + 361248337.

It is an arithmetic number, because the mean of its divisors is an integer number (8080485668487).

Almost surely, 2^{32321220222013} is an apocalyptic number.

It is an amenable number.

32321220222013 is a deficient number, since it is larger than the sum of its proper divisors (722451935).

32321220222013 is an equidigital number, since it uses as much as digits as its factorization.

32321220222013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722451934.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 32321220222013 its reverse (31022202212323), we get a palindrome (63343422434336).

The spelling of 32321220222013 in words is "thirty-two trillion, three hundred twenty-one billion, two hundred twenty million, two hundred twenty-two thousand, thirteen".