4231252131 has 4 divisors (see below), whose sum is σ = 5641669512. Its totient is φ = 2820834752.

The previous prime is 4231252121. The next prime is 4231252133. The reversal of 4231252131 is 1312521324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4231252131 - 2²³ = 4222863523 is a prime.

It is a super-2 number, since 2×4231252131² = 35806989192184082322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4231252133) 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 3 ways as a sum of consecutive naturals, for example, 705208686 + ... + 705208691.

It is an arithmetic number, because the mean of its divisors is an integer number (1410417378).

Almost surely, 2^4231252131 is an apocalyptic number.

4231252131 is a deficient number, since it is larger than the sum of its proper divisors (1410417381).

4231252131 is a wasteful number, since it uses less digits than its factorization.

4231252131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410417380.

The product of its digits is 1440, while the sum is 24.

The square root of 4231252131 is about 65048.0755364830. The cubic root of 4231252131 is about 1617.4205930152.

Adding to 4231252131 its reverse (1312521324), we get a palindrome (5543773455).

The spelling of 4231252131 in words is "four billion, two hundred thirty-one million, two hundred fifty-two thousand, one hundred thirty-one".