2131019 has 8 divisors (see below), whose sum is σ = 2426112. Its totient is φ = 1852840.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131019 is 9101312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2131019 - 2¹² = 2126923 is a prime.

It is a super-2 number, since 2×2131019² = 9082483956722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2130988 and 2131006.

It is not an unprimeable number, because it can be changed into a prime (2131013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (303264).

2^2131019 is an apocalyptic number.

2131019 is a deficient number, since it is larger than the sum of its proper divisors (295093).

2131019 is a wasteful number, since it uses less digits than its factorization.

2131019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 2131019 is about 1459.8010138372. The cubic root of 2131019 is about 128.6853497648.

The spelling of 2131019 in words is "two million, one hundred thirty-one thousand, nineteen".