2001131179 has 2 divisors, whose sum is σ = 2001131180. Its totient is φ = 2001131178.

The previous prime is 2001131159. The next prime is 2001131219. The reversal of 2001131179 is 9711311002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001131179 - 2¹³ = 2001122987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2001131159) 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, 1000565589 + 1000565590.

It is an arithmetic number, because the mean of its divisors is an integer number (1000565590).

Almost surely, 2^2001131179 is an apocalyptic number.

2001131179 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001131179 is an equidigital number, since it uses as much as digits as its factorization.

2001131179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 2001131179 is about 44734.0047279472. The cubic root of 2001131179 is about 1260.1585378325.

The spelling of 2001131179 in words is "two billion, one million, one hundred thirty-one thousand, one hundred seventy-nine".