2315223513 has 8 divisors (see below), whose sum is σ = 3429960800. Its totient is φ = 1543482324.

The previous prime is 2315223509. The next prime is 2315223517. The reversal of 2315223513 is 3153225132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2315223509) and next prime (2315223517).

It is not a de Polignac number, because 2315223513 - 2² = 2315223509 is a prime.

It is a super-2 number, since 2×2315223513² = 10720519830296122338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 85749019 = 2315223513 / (2 + 3 + 1 + 5 + 2 + 2 + 3 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315223517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42874483 + ... + 42874536.

It is an arithmetic number, because the mean of its divisors is an integer number (428745100).

Almost surely, 2^2315223513 is an apocalyptic number.

It is an amenable number.

2315223513 is a deficient number, since it is larger than the sum of its proper divisors (1114737287).

2315223513 is an equidigital number, since it uses as much as digits as its factorization.

2315223513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85749028 (or 85749022 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 2315223513 is about 48116.7695611416. The cubic root of 2315223513 is about 1322.9120575436.

Adding to 2315223513 its reverse (3153225132), we get a palindrome (5468448645).

It can be divided in two parts, 23152 and 23513, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 2315223513 in words is "two billion, three hundred fifteen million, two hundred twenty-three thousand, five hundred thirteen".