2031130 has 16 divisors (see below), whose sum is σ = 3815424. Its totient is φ = 777040.

The previous prime is 2031121. The next prime is 2031137. The reversal of 2031130 is 311302.

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

It is not an unprimeable number, because it can be changed into a prime (2031137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4186 + ... + 4645.

It is an arithmetic number, because the mean of its divisors is an integer number (238464).

2^2031130 is an apocalyptic number.

2031130 is a deficient number, since it is larger than the sum of its proper divisors (1784294).

2031130 is a wasteful number, since it uses less digits than its factorization.

2031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861.

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

The square root of 2031130 is about 1425.1771819672. The cubic root of 2031130 is about 126.6424314976.

Subtracting from 2031130 its sum of digits (10), we obtain a triangular number (2031120 = T₂₀₁₅).

Adding to 2031130 its reverse (311302), we get a palindrome (2342432).

The spelling of 2031130 in words is "two million, thirty-one thousand, one hundred thirty".