4231145131 has 16 divisors (see below), whose sum is σ = 4542337440. Its totient is φ = 3928953600.

The previous prime is 4231145119. The next prime is 4231145161. The reversal of 4231145131 is 1315411324.

It is not a de Polignac number, because 4231145131 - 2¹¹ = 4231143083 is a prime.

It is a super-2 number, since 2×4231145131² = 35805178239170014322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231145096 and 4231145105.

It is not an unprimeable number, because it can be changed into a prime (4231145161) 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, 1812441 + ... + 1814773.

It is an arithmetic number, because the mean of its divisors is an integer number (283896090).

Almost surely, 2^4231145131 is an apocalyptic number.

4231145131 is a deficient number, since it is larger than the sum of its proper divisors (311192309).

4231145131 is a wasteful number, since it uses less digits than its factorization.

4231145131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206.

The product of its digits is 1440, while the sum is 25.

The square root of 4231145131 is about 65047.2530626774. The cubic root of 4231145131 is about 1617.4069591107.

Adding to 4231145131 its reverse (1315411324), we get a palindrome (5546556455).

The spelling of 4231145131 in words is "four billion, two hundred thirty-one million, one hundred forty-five thousand, one hundred thirty-one".