2731130 has 8 divisors (see below), whose sum is σ = 4916052. Its totient is φ = 1092448.

The previous prime is 2731129. The next prime is 2731147. The reversal of 2731130 is 311372.

It can be written as a sum of positive squares in 2 ways, for example, as 2725801 + 5329 = 1651^2 + 73^2 .

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2731099 and 2731108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136547 + ... + 136566.

2^2731130 is an apocalyptic number.

2731130 is a deficient number, since it is larger than the sum of its proper divisors (2184922).

2731130 is a wasteful number, since it uses less digits than its factorization.

2731130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273120.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 2731130 is about 1652.6130823638. The cubic root of 2731130 is about 139.7807793589.

The spelling of 2731130 in words is "two million, seven hundred thirty-one thousand, one hundred thirty".