2016131522 has 4 divisors (see below), whose sum is σ = 3024197286. Its totient is φ = 1008065760.

The previous prime is 2016131521. The next prime is 2016131561. The reversal of 2016131522 is 2251316102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1729811281 + 286320241 = 41591^2 + 16921^2 .

It is not an unprimeable number, because it can be changed into a prime (2016131521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504032879 + ... + 504032882.

Almost surely, 2^2016131522 is an apocalyptic number.

2016131522 is a deficient number, since it is larger than the sum of its proper divisors (1008065764).

2016131522 is a wasteful number, since it uses less digits than its factorization.

2016131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008065763.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2016131522 is about 44901.3532312780. The cubic root of 2016131522 is about 1263.2993905029.

Adding to 2016131522 its reverse (2251316102), we get a palindrome (4267447624).

The spelling of 2016131522 in words is "two billion, sixteen million, one hundred thirty-one thousand, five hundred twenty-two".