2131030 has 16 divisors (see below), whose sum is σ = 4184784. Its totient is φ = 774880.

The previous prime is 2131013. The next prime is 2131039. The reversal of 2131030 is 301312.

2131030 = T₇₁ + T₇₂ + ... + T₂₃₅.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2130998 and 2131016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131039) 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, 9577 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (261549).

2^2131030 is an apocalyptic number.

2131030 is a deficient number, since it is larger than the sum of its proper divisors (2053754).

2131030 is a wasteful number, since it uses less digits than its factorization.

2131030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19391.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2131030 is about 1459.8047814691. The cubic root of 2131030 is about 128.6855711825.

Adding to 2131030 its reverse (301312), we get a palindrome (2432342).

The spelling of 2131030 in words is "two million, one hundred thirty-one thousand, thirty".