3115302223513 has 2 divisors, whose sum is σ = 3115302223514. Its totient is φ = 3115302223512.

The previous prime is 3115302223511. The next prime is 3115302223573. The reversal of 3115302223513 is 3153222035113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1756613589129 + 1358688634384 = 1325373^2 + 1165628^2 .

It is an emirp because it is prime and its reverse (3153222035113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3115302223513 - 2¹ = 3115302223511 is a prime.

It is a super-2 number, since 2×3115302223513² (a number of 26 digits) contains 22 as substring.

Together with 3115302223511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3115302223511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1557651111756 + 1557651111757.

It is an arithmetic number, because the mean of its divisors is an integer number (1557651111757).

Almost surely, 2^{3115302223513} is an apocalyptic number.

It is an amenable number.

3115302223513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115302223513 is an equidigital number, since it uses as much as digits as its factorization.

3115302223513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 3115302223513 its reverse (3153222035113), we get a palindrome (6268524258626).

The spelling of 3115302223513 in words is "three trillion, one hundred fifteen billion, three hundred two million, two hundred twenty-three thousand, five hundred thirteen".