312030130 has 16 divisors (see below), whose sum is σ = 563062104. Its totient is φ = 124499200.

The previous prime is 312030071. The next prime is 312030143. The reversal of 312030130 is 31030213.

It can be written as a sum of positive squares in 4 ways, for example, as 300987801 + 11042329 = 17349^2 + 3323^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312030130.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34897 + ... + 42916.

Almost surely, 2^312030130 is an apocalyptic number.

312030130 is a deficient number, since it is larger than the sum of its proper divisors (251031974).

312030130 is a wasteful number, since it uses less digits than its factorization.

312030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78221.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 312030130 is about 17664.3745997417. The cubic root of 312030130 is about 678.2641206353.

Adding to 312030130 its reverse (31030213), we get a palindrome (343060343).

The spelling of 312030130 in words is "three hundred twelve million, thirty thousand, one hundred thirty".