310130005 has 4 divisors (see below), whose sum is σ = 372156012. Its totient is φ = 248104000.

The previous prime is 310130003. The next prime is 310130021. The reversal of 310130005 is 500031013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500031013 = 17 ⋅29413589.

It can be written as a sum of positive squares in 2 ways, for example, as 176172529 + 133957476 = 13273^2 + 11574^2 .

It is not a de Polignac number, because 310130005 - 2¹ = 310130003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310130003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31012996 + ... + 31013005.

It is an arithmetic number, because the mean of its divisors is an integer number (93039003).

Almost surely, 2^310130005 is an apocalyptic number.

It is an amenable number.

310130005 is a deficient number, since it is larger than the sum of its proper divisors (62026007).

310130005 is an equidigital number, since it uses as much as digits as its factorization.

310130005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62026006.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 310130005 is about 17610.5083685849. The cubic root of 310130005 is about 676.8845406732.

Adding to 310130005 its reverse (500031013), we get a palindrome (810161018).

The spelling of 310130005 in words is "three hundred ten million, one hundred thirty thousand, five".