312120030301 has 4 divisors (see below), whose sum is σ = 313246817692. Its totient is φ = 310993242912.

The previous prime is 312120030283. The next prime is 312120030403. The reversal of 312120030301 is 103030021213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 182714357401 + 129405672900 = 427451^2 + 359730^2 .

It is a cyclic number.

It is not a de Polignac number, because 312120030301 - 2²⁹ = 311583159389 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 (312120030601) 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, 563393280 + ... + 563393833.

It is an arithmetic number, because the mean of its divisors is an integer number (78311704423).

Almost surely, 2^312120030301 is an apocalyptic number.

It is an amenable number.

312120030301 is a deficient number, since it is larger than the sum of its proper divisors (1126787391).

312120030301 is a wasteful number, since it uses less digits than its factorization.

312120030301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126787390.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 312120030301 its reverse (103030021213), we get a palindrome (415150051514).

The spelling of 312120030301 in words is "three hundred twelve billion, one hundred twenty million, thirty thousand, three hundred one".