4001045131 has 2 divisors, whose sum is σ = 4001045132. Its totient is φ = 4001045130.

The previous prime is 4001045077. The next prime is 4001045143. The reversal of 4001045131 is 1315401004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001045131 - 2¹⁵ = 4001012363 is a prime.

It is a super-2 number, since 2×4001045131² = 32016724280597614322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4001045099 and 4001045108.

It is not a weakly prime, because it can be changed into another prime (4001045161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000522565 + 2000522566.

It is an arithmetic number, because the mean of its divisors is an integer number (2000522566).

Almost surely, 2^4001045131 is an apocalyptic number.

4001045131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001045131 is an equidigital number, since it uses as much as digits as its factorization.

4001045131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 4001045131 is about 63253.8151497599. The cubic root of 4001045131 is about 1587.5392934329.

Adding to 4001045131 its reverse (1315401004), we get a palindrome (5316446135).

The spelling of 4001045131 in words is "four billion, one million, forty-five thousand, one hundred thirty-one".