311431003002243 has 12 divisors (see below), whose sum is σ = 449906855450208. Its totient is φ = 207592019436240.

The previous prime is 311431003002209. The next prime is 311431003002293. The reversal of 311431003002243 is 342200300134113.

It is a happy number.

311431003002243 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 310 + 0 + 300 + 2 + 2 + 43 = 666.

It is not a de Polignac number, because 311431003002243 - 2²⁵ = 311430969447811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (311431003002293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2387367148 + ... + 2387497593.

It is an arithmetic number, because the mean of its divisors is an integer number (37492237954184).

Almost surely, 2^{311431003002243} is an apocalyptic number.

311431003002243 is a deficient number, since it is larger than the sum of its proper divisors (138475852447965).

311431003002243 is a wasteful number, since it uses less digits than its factorization.

311431003002243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774871994 (or 4774871991 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 311431003002243 its reverse (342200300134113), we get a palindrome (653631303136356).

The spelling of 311431003002243 in words is "three hundred eleven trillion, four hundred thirty-one billion, three million, two thousand, two hundred forty-three".