2316521236 has 6 divisors (see below), whose sum is σ = 4053912170. Its totient is φ = 1158260616.

The previous prime is 2316521231. The next prime is 2316521237. The reversal of 2316521236 is 6321256132.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2316496900 + 24336 = 48130^2 + 156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2316521198 and 2316521207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2316521231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289565151 + ... + 289565158.

Almost surely, 2^2316521236 is an apocalyptic number.

It is an amenable number.

2316521236 is a deficient number, since it is larger than the sum of its proper divisors (1737390934).

2316521236 is a wasteful number, since it uses less digits than its factorization.

2316521236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579130313 (or 579130311 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 2316521236 is about 48130.2528146279. The cubic root of 2316521236 is about 1323.1591831068.

Adding to 2316521236 its reverse (6321256132), we get a palindrome (8637777368).

The spelling of 2316521236 in words is "two billion, three hundred sixteen million, five hundred twenty-one thousand, two hundred thirty-six".