313032301331 has 4 divisors (see below), whose sum is σ = 318163978464. Its totient is φ = 307900624200.

The previous prime is 313032301303. The next prime is 313032301343. The reversal of 313032301331 is 133103230313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133103230313 = 6091 ⋅21852443.

It is a cyclic number.

It is not a de Polignac number, because 313032301331 - 2¹⁰ = 313032300307 is a prime.

It is a super-2 number, since 2×313032301331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313032301297 and 313032301306.

It is not an unprimeable number, because it can be changed into a prime (313032301031) 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, 2565838475 + ... + 2565838596.

It is an arithmetic number, because the mean of its divisors is an integer number (79540994616).

Almost surely, 2^313032301331 is an apocalyptic number.

313032301331 is a deficient number, since it is larger than the sum of its proper divisors (5131677133).

313032301331 is an equidigital number, since it uses as much as digits as its factorization.

313032301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131677132.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 313032301331 its reverse (133103230313), we get a palindrome (446135531644).

The spelling of 313032301331 in words is "three hundred thirteen billion, thirty-two million, three hundred one thousand, three hundred thirty-one".