3216050421331 has 16 divisors (see below), whose sum is σ = 3696799104000. Its totient is φ = 2767009053600.

The previous prime is 3216050421313. The next prime is 3216050421343. The reversal of 3216050421331 is 1331240506123.

It is not a de Polignac number, because 3216050421331 - 2⁷ = 3216050421203 is a prime.

It is a super-2 number, since 2×3216050421331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3216050421293 and 3216050421302.

It is not an unprimeable number, because it can be changed into a prime (3216050421391) 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, 7556656 + ... + 7970893.

It is an arithmetic number, because the mean of its divisors is an integer number (231049944000).

Almost surely, 2^{3216050421331} is an apocalyptic number.

3216050421331 is a deficient number, since it is larger than the sum of its proper divisors (480748682669).

3216050421331 is a wasteful number, since it uses less digits than its factorization.

3216050421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528570.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 3216050421331 its reverse (1331240506123), we get a palindrome (4547290927454).

The spelling of 3216050421331 in words is "three trillion, two hundred sixteen billion, fifty million, four hundred twenty-one thousand, three hundred thirty-one".