312130011 has 4 divisors (see below), whose sum is σ = 416173352. Its totient is φ = 208086672.

The previous prime is 312130009. The next prime is 312130073. The reversal of 312130011 is 110031213.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 312130011 - 2¹ = 312130009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312130211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52021666 + ... + 52021671.

It is an arithmetic number, because the mean of its divisors is an integer number (104043338).

Almost surely, 2^312130011 is an apocalyptic number.

312130011 is a deficient number, since it is larger than the sum of its proper divisors (104043341).

312130011 is a wasteful number, since it uses less digits than its factorization.

312130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104043340.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 312130011 is about 17667.2015610849. The cubic root of 312130011 is about 678.3364838089.

Adding to 312130011 its reverse (110031213), we get a palindrome (422161224).

The spelling of 312130011 in words is "three hundred twelve million, one hundred thirty thousand, eleven".