32221011013 has 4 divisors (see below), whose sum is σ = 34116364620. Its totient is φ = 30325657408.

The previous prime is 32221011001. The next prime is 32221011023. The reversal of 32221011013 is 31011012223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31011012223 = 31 ⋅1000355233.

It can be written as a sum of positive squares in 2 ways, for example, as 24131447649 + 8089563364 = 155343^2 + 89942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32221011013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221011023) 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, 947676778 + ... + 947676811.

It is an arithmetic number, because the mean of its divisors is an integer number (8529091155).

Almost surely, 2^32221011013 is an apocalyptic number.

It is an amenable number.

32221011013 is a deficient number, since it is larger than the sum of its proper divisors (1895353607).

32221011013 is a wasteful number, since it uses less digits than its factorization.

32221011013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895353606.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32221011013 its reverse (31011012223), we get a palindrome (63232023236).

The spelling of 32221011013 in words is "thirty-two billion, two hundred twenty-one million, eleven thousand, thirteen".