2031332202313 has 4 divisors (see below), whose sum is σ = 2031867753748. Its totient is φ = 2030796650880.

The previous prime is 2031332202257. The next prime is 2031332202329. The reversal of 2031332202313 is 3132022331302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 376617870864 + 1654714331449 = 613692^2 + 1286357^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031332202313 - 2¹³ = 2031332194121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031332202353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267770028 + ... + 267777613.

It is an arithmetic number, because the mean of its divisors is an integer number (507966938437).

Almost surely, 2^{2031332202313} is an apocalyptic number.

It is an amenable number.

2031332202313 is a deficient number, since it is larger than the sum of its proper divisors (535551435).

2031332202313 is an equidigital number, since it uses as much as digits as its factorization.

2031332202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535551434.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 2031332202313 its reverse (3132022331302), we get a palindrome (5163354533615).

The spelling of 2031332202313 in words is "two trillion, thirty-one billion, three hundred thirty-two million, two hundred two thousand, three hundred thirteen".