4321232131 has 4 divisors (see below), whose sum is σ = 4392072064. Its totient is φ = 4250392200.

The previous prime is 4321232119. The next prime is 4321232141. The reversal of 4321232131 is 1312321234.

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 4321232131 - 2⁹ = 4321231619 is a prime.

It is a super-2 number, since 2×4321232131² = 37346094259973602322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4321232141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35419875 + ... + 35419996.

It is an arithmetic number, because the mean of its divisors is an integer number (1098018016).

Almost surely, 2^4321232131 is an apocalyptic number.

4321232131 is a deficient number, since it is larger than the sum of its proper divisors (70839933).

4321232131 is an equidigital number, since it uses as much as digits as its factorization.

4321232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70839932.

The product of its digits is 864, while the sum is 22.

The square root of 4321232131 is about 65736.0793704644. The cubic root of 4321232131 is about 1628.8053940390.

Adding to 4321232131 its reverse (1312321234), we get a palindrome (5633553365).

The spelling of 4321232131 in words is "four billion, three hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-one".