3135216841 has 2 divisors, whose sum is σ = 3135216842. Its totient is φ = 3135216840.

The previous prime is 3135216839. The next prime is 3135216853. The reversal of 3135216841 is 1486125313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2784778441 + 350438400 = 52771^2 + 18720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3135216841 - 2¹ = 3135216839 is a prime.

Together with 3135216839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3135216797 and 3135216806.

It is not a weakly prime, because it can be changed into another prime (3135216881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567608420 + 1567608421.

It is an arithmetic number, because the mean of its divisors is an integer number (1567608421).

Almost surely, 2^3135216841 is an apocalyptic number.

It is an amenable number.

3135216841 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135216841 is an equidigital number, since it uses as much as digits as its factorization.

3135216841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 3135216841 is about 55993.0070723122. The cubic root of 3135216841 is about 1463.6004278529.

The spelling of 3135216841 in words is "three billion, one hundred thirty-five million, two hundred sixteen thousand, eight hundred forty-one".