3315115121 has 2 divisors, whose sum is σ = 3315115122. Its totient is φ = 3315115120.

The previous prime is 3315115109. The next prime is 3315115123. The reversal of 3315115121 is 1215115133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1909690000 + 1405425121 = 43700^2 + 37489^2 .

It is an emirp because it is prime and its reverse (1215115133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3315115121 - 2³⁰ = 2241373297 is a prime.

Together with 3315115123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3315115123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657557560 + 1657557561.

It is an arithmetic number, because the mean of its divisors is an integer number (1657557561).

Almost surely, 2^3315115121 is an apocalyptic number.

It is an amenable number.

3315115121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315115121 is an equidigital number, since it uses as much as digits as its factorization.

3315115121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 450, while the sum is 23.

The square root of 3315115121 is about 57577.0364034135. The cubic root of 3315115121 is about 1491.0751696594.

The spelling of 3315115121 in words is "three billion, three hundred fifteen million, one hundred fifteen thousand, one hundred twenty-one".