31320313202023 has 2 divisors, whose sum is σ = 31320313202024. Its totient is φ = 31320313202022.

The previous prime is 31320313201973. The next prime is 31320313202029. The reversal of 31320313202023 is 32020231302313.

It is a strong prime.

It is an emirp because it is prime and its reverse (32020231302313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31320313202023 - 2⁴¹ = 29121289946471 is a prime.

It is a super-2 number, since 2×31320313202023² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31320313202029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15660156601011 + 15660156601012.

It is an arithmetic number, because the mean of its divisors is an integer number (15660156601012).

Almost surely, 2^{31320313202023} is an apocalyptic number.

31320313202023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31320313202023 is an equidigital number, since it uses as much as digits as its factorization.

31320313202023 is an odious number, because the sum of its binary digits is odd.

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

Adding to 31320313202023 its reverse (32020231302313), we get a palindrome (63340544504336).

The spelling of 31320313202023 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirteen million, two hundred two thousand, twenty-three".