313320031311 has 32 divisors (see below), whose sum is σ = 498701795328. Its totient is φ = 171082596960.

The previous prime is 313320031291. The next prime is 313320031313. The reversal of 313320031311 is 113130023313.

It is not a de Polignac number, because 313320031311 - 2¹³ = 313320023119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313320031313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151360 + ... + 805946.

It is an arithmetic number, because the mean of its divisors is an integer number (15584431104).

Almost surely, 2^313320031311 is an apocalyptic number.

313320031311 is a deficient number, since it is larger than the sum of its proper divisors (185381764017).

313320031311 is a wasteful number, since it uses less digits than its factorization.

313320031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655611.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 313320031311 its reverse (113130023313), we get a palindrome (426450054624).

The spelling of 313320031311 in words is "three hundred thirteen billion, three hundred twenty million, thirty-one thousand, three hundred eleven".