2131141521 has 8 divisors (see below), whose sum is σ = 2965066560. Its totient is φ = 1358988752.

The previous prime is 2131141483. The next prime is 2131141549. The reversal of 2131141521 is 1251411312.

2131141521 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131141521 - 2⁶ = 2131141457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131141121) 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, 15442986 + ... + 15443123.

It is an arithmetic number, because the mean of its divisors is an integer number (370633320).

Almost surely, 2^2131141521 is an apocalyptic number.

It is an amenable number.

2131141521 is a deficient number, since it is larger than the sum of its proper divisors (833925039).

2131141521 is a wasteful number, since it uses less digits than its factorization.

2131141521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30886135.

The product of its digits is 240, while the sum is 21.

The square root of 2131141521 is about 46164.2883731570. The cubic root of 2131141521 is about 1286.8781593322.

Adding to 2131141521 its reverse (1251411312), we get a palindrome (3382552833).

The spelling of 2131141521 in words is "two billion, one hundred thirty-one million, one hundred forty-one thousand, five hundred twenty-one".