31032202002313 has 2 divisors, whose sum is σ = 31032202002314. Its totient is φ = 31032202002312.

The previous prime is 31032202002293. The next prime is 31032202002353. The reversal of 31032202002313 is 31320020223013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25182010076224 + 5850191926089 = 5018168^2 + 2418717^2 .

It is an emirp because it is prime and its reverse (31320020223013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31032202002313 - 2¹⁷ = 31032201871241 is a prime.

It is a super-2 number, since 2×31032202002313² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31032202002353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15516101001156 + 15516101001157.

It is an arithmetic number, because the mean of its divisors is an integer number (15516101001157).

Almost surely, 2^{31032202002313} is an apocalyptic number.

It is an amenable number.

31032202002313 is a deficient number, since it is larger than the sum of its proper divisors (1).

31032202002313 is an equidigital number, since it uses as much as digits as its factorization.

31032202002313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31032202002313 its reverse (31320020223013), we get a palindrome (62352222225326).

The spelling of 31032202002313 in words is "thirty-one trillion, thirty-two billion, two hundred two million, two thousand, three hundred thirteen".