2316521242 has 16 divisors (see below), whose sum is σ = 4055673600. Its totient is φ = 971671248.

The previous prime is 2316521239. The next prime is 2316521243. The reversal of 2316521242 is 2421256132.

It is a self number, because there is not a number n which added to its sum of digits gives 2316521242.

It is not an unprimeable number, because it can be changed into a prime (2316521243) 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, 1759617 + ... + 1760932.

It is an arithmetic number, because the mean of its divisors is an integer number (253479600).

Almost surely, 2^2316521242 is an apocalyptic number.

2316521242 is a deficient number, since it is larger than the sum of its proper divisors (1739152358).

2316521242 is a wasteful number, since it uses less digits than its factorization.

2316521242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520605.

The product of its digits is 5760, while the sum is 28.

The square root of 2316521242 is about 48130.2528769588. The cubic root of 2316521242 is about 1323.1591842492.

Adding to 2316521242 its reverse (2421256132), we get a palindrome (4737777374).

The spelling of 2316521242 in words is "two billion, three hundred sixteen million, five hundred twenty-one thousand, two hundred forty-two".