312111202303201 has 32 divisors (see below), whose sum is σ = 379696969267200. Its totient is φ = 250592002784640.

The previous prime is 312111202303079. The next prime is 312111202303223. The reversal of 312111202303201 is 102303202111213.

It is a cyclic number.

It is not a de Polignac number, because 312111202303201 - 2¹¹ = 312111202301153 is a prime.

It is a super-2 number, since 2×312111202303201² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312111202303291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906909106 + ... + 907253188.

It is an arithmetic number, because the mean of its divisors is an integer number (11865530289600).

Almost surely, 2^{312111202303201} is an apocalyptic number.

It is an amenable number.

312111202303201 is a deficient number, since it is larger than the sum of its proper divisors (67585766963999).

312111202303201 is a wasteful number, since it uses less digits than its factorization.

312111202303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420829.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 312111202303201 its reverse (102303202111213), we get a palindrome (414414404414414).

The spelling of 312111202303201 in words is "three hundred twelve trillion, one hundred eleven billion, two hundred two million, three hundred three thousand, two hundred one".