3221212230031 has 8 divisors (see below), whose sum is σ = 3222892728704. Its totient is φ = 3219532165080.

The previous prime is 3221212230013. The next prime is 3221212230043. The reversal of 3221212230031 is 1300322121223.

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

It is a cyclic number.

It is not a de Polignac number, because 3221212230031 - 2⁷ = 3221212229903 is a prime.

It is a super-2 number, since 2×3221212230031² (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 = 3221212229984 and 3221212230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221212230631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15316096 + ... + 15524986.

It is an arithmetic number, because the mean of its divisors is an integer number (402861591088).

Almost surely, 2^{3221212230031} is an apocalyptic number.

3221212230031 is a deficient number, since it is larger than the sum of its proper divisors (1680498673).

3221212230031 is a wasteful number, since it uses less digits than its factorization.

3221212230031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216861.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 3221212230031 its reverse (1300322121223), we get a palindrome (4521534351254).

The spelling of 3221212230031 in words is "three trillion, two hundred twenty-one billion, two hundred twelve million, two hundred thirty thousand, thirty-one".