313031003121311 has 4 divisors (see below), whose sum is σ = 314840430885192. Its totient is φ = 311221575357432.

The previous prime is 313031003121301. The next prime is 313031003121329. The reversal of 313031003121311 is 113121300130313.

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

It is a cyclic number.

It is not a de Polignac number, because 313031003121311 - 2¹⁰ = 313031003120287 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 (313031003121301) 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 3 ways as a sum of consecutive naturals, for example, 904713881681 + ... + 904713882026.

It is an arithmetic number, because the mean of its divisors is an integer number (78710107721298).

Almost surely, 2^{313031003121311} is an apocalyptic number.

313031003121311 is a deficient number, since it is larger than the sum of its proper divisors (1809427763881).

313031003121311 is a wasteful number, since it uses less digits than its factorization.

313031003121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809427763880.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 313031003121311 its reverse (113121300130313), we get a palindrome (426152303251624).

The spelling of 313031003121311 in words is "three hundred thirteen trillion, thirty-one billion, three million, one hundred twenty-one thousand, three hundred eleven".