221443431013034 has 8 divisors (see below), whose sum is σ = 332168700090468. Its totient is φ = 110720530982880.

The previous prime is 221443431013019. The next prime is 221443431013043. The reversal of 221443431013034 is 430310134344122.

It can be written as a sum of positive squares in 2 ways, for example, as 211564384834009 + 9879046179025 = 14545253^2 + 3143095^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221443431012985 and 221443431013003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592028117 + ... + 592402040.

Almost surely, 2^{221443431013034} is an apocalyptic number.

221443431013034 is a deficient number, since it is larger than the sum of its proper divisors (110725269077434).

221443431013034 is a wasteful number, since it uses less digits than its factorization.

221443431013034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184523640.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 221443431013034 its reverse (430310134344122), we get a palindrome (651753565357156).

The spelling of 221443431013034 in words is "two hundred twenty-one trillion, four hundred forty-three billion, four hundred thirty-one million, thirteen thousand, thirty-four".