4001131051 has 2 divisors, whose sum is σ = 4001131052. Its totient is φ = 4001131050.

The previous prime is 4001131031. The next prime is 4001131061. The reversal of 4001131051 is 1501311004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4001131051 - 2⁵ = 4001131019 is a prime.

It is not a weakly prime, because it can be changed into another prime (4001131031) 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, 2000565525 + 2000565526.

It is an arithmetic number, because the mean of its divisors is an integer number (2000565526).

Almost surely, 2^4001131051 is an apocalyptic number.

4001131051 is a deficient number, since it is larger than the sum of its proper divisors (1).

4001131051 is an equidigital number, since it uses as much as digits as its factorization.

4001131051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 4001131051 is about 63254.4943146335. The cubic root of 4001131051 is about 1587.5506571638.

Adding to 4001131051 its reverse (1501311004), we get a palindrome (5502442055).

The spelling of 4001131051 in words is "four billion, one million, one hundred thirty-one thousand, fifty-one".