313130120113 has 4 divisors (see below), whose sum is σ = 313277200740. Its totient is φ = 312983039488.

The previous prime is 313130120111. The next prime is 313130120137. The reversal of 313130120113 is 311021031313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311021031313 = 109 ⋅2853403957.

It can be written as a sum of positive squares in 2 ways, for example, as 94711293504 + 218418826609 = 307752^2 + 467353^2 .

It is a cyclic number.

It is not a de Polignac number, because 313130120113 - 2¹ = 313130120111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313130120111) 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, 73537120 + ... + 73541377.

It is an arithmetic number, because the mean of its divisors is an integer number (78319300185).

Almost surely, 2^313130120113 is an apocalyptic number.

It is an amenable number.

313130120113 is a deficient number, since it is larger than the sum of its proper divisors (147080627).

313130120113 is a wasteful number, since it uses less digits than its factorization.

313130120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147080626.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 313130120113 its reverse (311021031313), we get a palindrome (624151151426).

The spelling of 313130120113 in words is "three hundred thirteen billion, one hundred thirty million, one hundred twenty thousand, one hundred thirteen".