313031422311 has 4 divisors (see below), whose sum is σ = 417375229752. Its totient is φ = 208687614872.

The previous prime is 313031422213. The next prime is 313031422331. The reversal of 313031422311 is 113224130313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313031422311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313031422331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52171903716 + ... + 52171903721.

It is an arithmetic number, because the mean of its divisors is an integer number (104343807438).

Almost surely, 2^313031422311 is an apocalyptic number.

313031422311 is a deficient number, since it is larger than the sum of its proper divisors (104343807441).

313031422311 is a wasteful number, since it uses less digits than its factorization.

313031422311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104343807440.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 313031422311 its reverse (113224130313), we get a palindrome (426255552624).

The spelling of 313031422311 in words is "three hundred thirteen billion, thirty-one million, four hundred twenty-two thousand, three hundred eleven".