3212231989 has 2 divisors, whose sum is σ = 3212231990. Its totient is φ = 3212231988.

The previous prime is 3212231983. The next prime is 3212232007. The reversal of 3212231989 is 9891322123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2687592964 + 524639025 = 51842^2 + 22905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212231989 - 2¹⁹ = 3211707701 is a prime.

It is a super-2 number, since 2×3212231989² = 20636868702309792242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212231983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606115994 + 1606115995.

It is an arithmetic number, because the mean of its divisors is an integer number (1606115995).

Almost surely, 2^3212231989 is an apocalyptic number.

It is an amenable number.

3212231989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212231989 is an equidigital number, since it uses as much as digits as its factorization.

3212231989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 3212231989 is about 56676.5559027717. Note that the first 3 decimals coincide. The cubic root of 3212231989 is about 1475.4878384823.

The spelling of 3212231989 in words is "three billion, two hundred twelve million, two hundred thirty-one thousand, nine hundred eighty-nine".