313213131113 has 8 divisors (see below), whose sum is σ = 324761896200. Its totient is φ = 301714253568.

The previous prime is 313213131089. The next prime is 313213131137. The reversal of 313213131113 is 311131312313.

It is an interprime number because it is at equal distance from previous prime (313213131089) and next prime (313213131137).

It can be written as a sum of positive squares in 4 ways, for example, as 26230069849 + 286983061264 = 161957^2 + 535708^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313213131113 - 2¹⁶ = 313213065577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313213131163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12459098 + ... + 12484211.

It is an arithmetic number, because the mean of its divisors is an integer number (40595237025).

Almost surely, 2^313213131113 is an apocalyptic number.

It is an amenable number.

313213131113 is a deficient number, since it is larger than the sum of its proper divisors (11548765087).

313213131113 is a wasteful number, since it uses less digits than its factorization.

313213131113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24943771.

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

Adding to 313213131113 its reverse (311131312313), we get a palindrome (624344443426).

The spelling of 313213131113 in words is "three hundred thirteen billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred thirteen".