313031132113 has 4 divisors (see below), whose sum is σ = 357749865280. Its totient is φ = 268312398948.

The previous prime is 313031132023. The next prime is 313031132143. The reversal of 313031132113 is 311231130313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311231130313 = 5717 ⋅54439589.

It is a cyclic number.

It is not a de Polignac number, because 313031132113 - 2⁹ = 313031131601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313031132143) 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, 22359366573 + ... + 22359366586.

It is an arithmetic number, because the mean of its divisors is an integer number (89437466320).

Almost surely, 2^313031132113 is an apocalyptic number.

It is an amenable number.

313031132113 is a deficient number, since it is larger than the sum of its proper divisors (44718733167).

313031132113 is an equidigital number, since it uses as much as digits as its factorization.

313031132113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44718733166.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 313031132113 its reverse (311231130313), we get a palindrome (624262262426).

The spelling of 313031132113 in words is "three hundred thirteen billion, thirty-one million, one hundred thirty-two thousand, one hundred thirteen".