2031323313 has 8 divisors (see below), whose sum is σ = 2714896800. Its totient is φ = 1350982688.

The previous prime is 2031323297. The next prime is 2031323317. The reversal of 2031323313 is 3133231302.

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 2031323313 - 2⁴ = 2031323297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2031323313.

It is not an unprimeable number, because it can be changed into a prime (2031323317) 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, 806748 + ... + 809261.

It is an arithmetic number, because the mean of its divisors is an integer number (339362100).

Almost surely, 2^2031323313 is an apocalyptic number.

It is an amenable number.

2031323313 is a deficient number, since it is larger than the sum of its proper divisors (683573487).

2031323313 is a wasteful number, since it uses less digits than its factorization.

2031323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616431.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 2031323313 is about 45070.2042706709. The cubic root of 2031323313 is about 1266.4644910546.

Adding to 2031323313 its reverse (3133231302), we get a palindrome (5164554615).

The spelling of 2031323313 in words is "two billion, thirty-one million, three hundred twenty-three thousand, three hundred thirteen".