4256131143 has 32 divisors (see below), whose sum is σ = 6404308992. Its totient is φ = 2490847200.

The previous prime is 4256131141. The next prime is 4256131153. The reversal of 4256131143 is 3411316524.

It is not a de Polignac number, because 4256131143 - 2¹ = 4256131141 is a prime.

It is a super-2 number, since 2×4256131143² = 36229304612828972898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4256131143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256131141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493930 + ... + 502472.

It is an arithmetic number, because the mean of its divisors is an integer number (200134656).

Almost surely, 2^4256131143 is an apocalyptic number.

4256131143 is a deficient number, since it is larger than the sum of its proper divisors (2148177849).

4256131143 is a wasteful number, since it uses less digits than its factorization.

4256131143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9075.

The product of its digits is 8640, while the sum is 30.

The square root of 4256131143 is about 65239.0308251127. The cubic root of 4256131143 is about 1620.5844488543.

Adding to 4256131143 its reverse (3411316524), we get a palindrome (7667447667).

The spelling of 4256131143 in words is "four billion, two hundred fifty-six million, one hundred thirty-one thousand, one hundred forty-three".