2131042515 has 32 divisors (see below), whose sum is σ = 3899529216. Its totient is φ = 973499520.

The previous prime is 2131042481. The next prime is 2131042519. The reversal of 2131042515 is 5152401312.

It is a happy number.

It is not a de Polignac number, because 2131042515 - 2⁷ = 2131042387 is a prime.

It is a super-3 number, since 3×2131042515³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2131042519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159805 + ... + 172625.

It is an arithmetic number, because the mean of its divisors is an integer number (121860288).

Almost surely, 2^2131042515 is an apocalyptic number.

2131042515 is a deficient number, since it is larger than the sum of its proper divisors (1768486701).

2131042515 is a wasteful number, since it uses less digits than its factorization.

2131042515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2131042515 is about 46163.2160383134. The cubic root of 2131042515 is about 1286.8582309463.

Adding to 2131042515 its reverse (5152401312), we get a palindrome (7283443827).

The spelling of 2131042515 in words is "two billion, one hundred thirty-one million, forty-two thousand, five hundred fifteen".