4131532121 has 8 divisors (see below), whose sum is σ = 4361308320. Its totient is φ = 3902988672.

The previous prime is 4131532109. The next prime is 4131532127. The reversal of 4131532121 is 1212351314.

4131532121 is digitally balanced in base 2, 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 a de Polignac number, because none of the positive numbers 2^k-4131532121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4131532127) 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, 301295 + ... + 314708.

It is an arithmetic number, because the mean of its divisors is an integer number (545163540).

Almost surely, 2^4131532121 is an apocalyptic number.

It is an amenable number.

4131532121 is a deficient number, since it is larger than the sum of its proper divisors (229776199).

4131532121 is a wasteful number, since it uses less digits than its factorization.

4131532121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616375.

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

The square root of 4131532121 is about 64276.9952704698. The cubic root of 4131532121 is about 1604.6132640928.

Adding to 4131532121 its reverse (1212351314), we get a palindrome (5343883435).

The spelling of 4131532121 in words is "four billion, one hundred thirty-one million, five hundred thirty-two thousand, one hundred twenty-one".