2811258130 has 16 divisors (see below), whose sum is σ = 5117123160. Its totient is φ = 1111868032.

The previous prime is 2811258097. The next prime is 2811258133. The reversal of 2811258130 is 318521182.

It can be written as a sum of positive squares in 4 ways, for example, as 1934328361 + 876929769 = 43981^2 + 29613^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2811258092 and 2811258101.

It is not an unprimeable number, because it can be changed into a prime (2811258133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1578469 + ... + 1580248.

Almost surely, 2^2811258130 is an apocalyptic number.

2811258130 is a deficient number, since it is larger than the sum of its proper divisors (2305865030).

2811258130 is a wasteful number, since it uses less digits than its factorization.

2811258130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158813.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 2811258130 is about 53021.2988335820. The cubic root of 2811258130 is about 1411.3462537283.

The spelling of 2811258130 in words is "two billion, eight hundred eleven million, two hundred fifty-eight thousand, one hundred thirty".