312105202013 has 8 divisors (see below), whose sum is σ = 341028455520. Its totient is φ = 283273624080.

The previous prime is 312105201997. The next prime is 312105202021. The reversal of 312105202013 is 310202501213.

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

It is a cyclic number.

It is not a de Polignac number, because 312105202013 - 2⁴ = 312105201997 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 (312105202813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22911770 + ... + 22925387.

It is an arithmetic number, because the mean of its divisors is an integer number (42628556940).

Almost surely, 2^312105202013 is an apocalyptic number.

It is an amenable number.

312105202013 is a deficient number, since it is larger than the sum of its proper divisors (28923253507).

312105202013 is a wasteful number, since it uses less digits than its factorization.

312105202013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45837787.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 312105202013 its reverse (310202501213), we get a palindrome (622307703226).

The spelling of 312105202013 in words is "three hundred twelve billion, one hundred five million, two hundred two thousand, thirteen".