2315987338 has 16 divisors (see below), whose sum is σ = 3972764160. Its totient is φ = 991940976.

The previous prime is 2315987327. The next prime is 2315987341. The reversal of 2315987338 is 8337895132.

It is a junction number, because it is equal to n+sod(n) for n = 2315987291 and 2315987300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28698 + ... + 73861.

It is an arithmetic number, because the mean of its divisors is an integer number (248297760).

Almost surely, 2^2315987338 is an apocalyptic number.

2315987338 is a deficient number, since it is larger than the sum of its proper divisors (1656776822).

2315987338 is a wasteful number, since it uses less digits than its factorization.

2315987338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104181.

The product of its digits is 1088640, while the sum is 49.

The square root of 2315987338 is about 48124.7061081935. The cubic root of 2315987338 is about 1323.0575240172.

The spelling of 2315987338 in words is "two billion, three hundred fifteen million, nine hundred eighty-seven thousand, three hundred thirty-eight".