313011022143 has 4 divisors (see below), whose sum is σ = 417348029528. Its totient is φ = 208674014760.

The previous prime is 313011022141. The next prime is 313011022193. The reversal of 313011022143 is 341220110313.

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

It is not a de Polignac number, because 313011022143 - 2¹ = 313011022141 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 (313011022141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52168503688 + ... + 52168503693.

It is an arithmetic number, because the mean of its divisors is an integer number (104337007382).

Almost surely, 2^313011022143 is an apocalyptic number.

313011022143 is a deficient number, since it is larger than the sum of its proper divisors (104337007385).

313011022143 is a wasteful number, since it uses less digits than its factorization.

313011022143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104337007384.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313011022143 its reverse (341220110313), we get a palindrome (654231132456).

The spelling of 313011022143 in words is "three hundred thirteen billion, eleven million, twenty-two thousand, one hundred forty-three".