3315212947 has 2 divisors, whose sum is σ = 3315212948. Its totient is φ = 3315212946.

The previous prime is 3315212921. The next prime is 3315212951. The reversal of 3315212947 is 7492125133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3315212947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3315213947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657606473 + 1657606474.

It is an arithmetic number, because the mean of its divisors is an integer number (1657606474).

Almost surely, 2^3315212947 is an apocalyptic number.

3315212947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315212947 is an equidigital number, since it uses as much as digits as its factorization.

3315212947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The square root of 3315212947 is about 57577.8859198564. The cubic root of 3315212947 is about 1491.0898362677.

The spelling of 3315212947 in words is "three billion, three hundred fifteen million, two hundred twelve thousand, nine hundred forty-seven".