4019131 has 2 divisors, whose sum is σ = 4019132. Its totient is φ = 4019130.

The previous prime is 4019117. The next prime is 4019153. The reversal of 4019131 is 1319104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4019131 - 2⁷ = 4019003 is a prime.

It is a super-2 number, since 2×4019131² = 32306827990322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4019099 and 4019108.

It is not a weakly prime, because it can be changed into another prime (4019101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2009565 + 2009566.

It is an arithmetic number, because the mean of its divisors is an integer number (2009566).

Almost surely, 2^4019131 is an apocalyptic number.

4019131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4019131 is an equidigital number, since it uses as much as digits as its factorization.

4019131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 4019131 is about 2004.7770449604. Note that the first 3 decimals coincide. The cubic root of 4019131 is about 158.9927742190.

The spelling of 4019131 in words is "four million, nineteen thousand, one hundred thirty-one".