2131500135 has 16 divisors (see below), whose sum is σ = 3411120096. Its totient is φ = 1136560128.

The previous prime is 2131500131. The next prime is 2131500157. The reversal of 2131500135 is 5310051312.

It is not a de Polignac number, because 2131500135 - 2² = 2131500131 is a prime.

It is a super-3 number, since 3×2131500135³ (a number of 29 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131500131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76407 + ... + 100503.

It is an arithmetic number, because the mean of its divisors is an integer number (213195006).

Almost surely, 2^2131500135 is an apocalyptic number.

2131500135 is a deficient number, since it is larger than the sum of its proper divisors (1279619961).

2131500135 is a wasteful number, since it uses less digits than its factorization.

2131500135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30002.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2131500135 is about 46168.1723160014. The cubic root of 2131500135 is about 1286.9503376517.

Adding to 2131500135 its reverse (5310051312), we get a palindrome (7441551447).

The spelling of 2131500135 in words is "two billion, one hundred thirty-one million, five hundred thousand, one hundred thirty-five".