3221130332231 has 12 divisors (see below), whose sum is σ = 3748322744208. Its totient is φ = 2760015690432.

The previous prime is 3221130332219. The next prime is 3221130332243. The reversal of 3221130332231 is 1322330311223.

It is an interprime number because it is at equal distance from previous prime (3221130332219) and next prime (3221130332243).

It is not a de Polignac number, because 3221130332231 - 2¹⁰ = 3221130331207 is a prime.

It is a super-2 number, since 2×3221130332231² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3221130332231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221130332281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11203811 + ... + 11487716.

It is an arithmetic number, because the mean of its divisors is an integer number (312360228684).

Almost surely, 2^{3221130332231} is an apocalyptic number.

3221130332231 is a deficient number, since it is larger than the sum of its proper divisors (527192411977).

3221130332231 is a wasteful number, since it uses less digits than its factorization.

3221130332231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694438 (or 22694431 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 3221130332231 its reverse (1322330311223), we get a palindrome (4543460643454).

The spelling of 3221130332231 in words is "three trillion, two hundred twenty-one billion, one hundred thirty million, three hundred thirty-two thousand, two hundred thirty-one".