4000052131 has 2 divisors, whose sum is σ = 4000052132. Its totient is φ = 4000052130.

The previous prime is 4000052113. The next prime is 4000052227. The reversal of 4000052131 is 1312500004.

Together with previous prime (4000052113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4000052131 - 2¹⁵ = 4000019363 is a prime.

It is a super-2 number, since 2×4000052131² = 32000834101435282322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4000052531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000026065 + 2000026066.

It is an arithmetic number, because the mean of its divisors is an integer number (2000026066).

Almost surely, 2^4000052131 is an apocalyptic number.

4000052131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000052131 is an equidigital number, since it uses as much as digits as its factorization.

4000052131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4000052131 is about 63245.9653337665. The cubic root of 4000052131 is about 1587.4079480053.

Adding to 4000052131 its reverse (1312500004), we get a palindrome (5312552135).

The spelling of 4000052131 in words is "four billion, fifty-two thousand, one hundred thirty-one".