4001001131 has 2 divisors, whose sum is σ = 4001001132. Its totient is φ = 4001001130.

The previous prime is 4001001089. The next prime is 4001001167. The reversal of 4001001131 is 1311001004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001001131 - 2²⁶ = 3933892267 is a prime.

It is a super-2 number, since 2×4001001131² = 32016020100526558322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4001001181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000500565 + 2000500566.

It is an arithmetic number, because the mean of its divisors is an integer number (2000500566).

Almost surely, 2^4001001131 is an apocalyptic number.

4001001131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001001131 is an equidigital number, since it uses as much as digits as its factorization.

4001001131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 4001001131 is about 63253.4673436959. The cubic root of 4001001131 is about 1587.5334739547.

Adding to 4001001131 its reverse (1311001004), we get a palindrome (5312002135).

The spelling of 4001001131 in words is "four billion, one million, one thousand, one hundred thirty-one".