2313313131328 has 28 divisors (see below), whose sum is σ = 4593684333060. Its totient is φ = 1155849362432.

The previous prime is 2313313131257. The next prime is 2313313131329. The reversal of 2313313131328 is 8231313133132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1170654753024 + 1142658378304 = 1081968^2 + 1068952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2313313131293 and 2313313131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313313131329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12520123 + ... + 12703546.

Almost surely, 2^{2313313131328} is an apocalyptic number.

It is an amenable number.

2313313131328 is a deficient number, since it is larger than the sum of its proper divisors (2280371201732).

2313313131328 is a wasteful number, since it uses less digits than its factorization.

2313313131328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25225114 (or 25225104 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The spelling of 2313313131328 in words is "two trillion, three hundred thirteen billion, three hundred thirteen million, one hundred thirty-one thousand, three hundred twenty-eight".