312211303201143 has 6 divisors (see below), whose sum is σ = 450971882401664. Its totient is φ = 208140868800756.

The previous prime is 312211303201141. The next prime is 312211303201153. The reversal of 312211303201143 is 341102303112213.

312211303201143 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 11 + 303 + 201 + 143 = 666.

It is not a de Polignac number, because 312211303201143 - 2¹ = 312211303201141 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 (312211303201141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17345072400055 + ... + 17345072400072.

Almost surely, 2^{312211303201143} is an apocalyptic number.

312211303201143 is a deficient number, since it is larger than the sum of its proper divisors (138760579200521).

312211303201143 is a wasteful number, since it uses less digits than its factorization.

312211303201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34690144800133 (or 34690144800130 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 312211303201143 its reverse (341102303112213), we get a palindrome (653313606313356).

The spelling of 312211303201143 in words is "three hundred twelve trillion, two hundred eleven billion, three hundred three million, two hundred one thousand, one hundred forty-three".