3212113309 has 2 divisors, whose sum is σ = 3212113310. Its totient is φ = 3212113308.

The previous prime is 3212113249. The next prime is 3212113313. The reversal of 3212113309 is 9033112123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2949576100 + 262537209 = 54310^2 + 16203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3212113309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3212113349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606056654 + 1606056655.

It is an arithmetic number, because the mean of its divisors is an integer number (1606056655).

Almost surely, 2^3212113309 is an apocalyptic number.

It is an amenable number.

3212113309 is a deficient number, since it is larger than the sum of its proper divisors (1).

3212113309 is an equidigital number, since it uses as much as digits as its factorization.

3212113309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 3212113309 is about 56675.5088993473. The cubic root of 3212113309 is about 1475.4696669997.

The spelling of 3212113309 in words is "three billion, two hundred twelve million, one hundred thirteen thousand, three hundred nine".