2131201514 has 16 divisors (see below), whose sum is σ = 3461738280. Its totient is φ = 978194880.

The previous prime is 2131201489. The next prime is 2131201543. The reversal of 2131201514 is 4151021312.

It can be written as a sum of positive squares in 4 ways, for example, as 1393155625 + 738045889 = 37325^2 + 27167^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221729 + ... + 231140.

Almost surely, 2^2131201514 is an apocalyptic number.

2131201514 is a deficient number, since it is larger than the sum of its proper divisors (1330536766).

2131201514 is a wasteful number, since it uses less digits than its factorization.

2131201514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453065.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2131201514 is about 46164.9381457400. The cubic root of 2131201514 is about 1286.8902347006.

Adding to 2131201514 its reverse (4151021312), we get a palindrome (6282222826).

The spelling of 2131201514 in words is "two billion, one hundred thirty-one million, two hundred one thousand, five hundred fourteen".