31323310302133 has 2 divisors, whose sum is σ = 31323310302134. Its totient is φ = 31323310302132.

The previous prime is 31323310302079. The next prime is 31323310302211. The reversal of 31323310302133 is 33120301332313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27629141733649 + 3694168568484 = 5256343^2 + 1922022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31323310302133 is a prime.

It is a super-2 number, since 2×31323310302133² (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 (31323310302533) 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 as a sum of consecutive naturals, namely, 15661655151066 + 15661655151067.

It is an arithmetic number, because the mean of its divisors is an integer number (15661655151067).

Almost surely, 2^{31323310302133} is an apocalyptic number.

It is an amenable number.

31323310302133 is a deficient number, since it is larger than the sum of its proper divisors (1).

31323310302133 is an equidigital number, since it uses as much as digits as its factorization.

31323310302133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 31323310302133 its reverse (33120301332313), we get a palindrome (64443611634446).

The spelling of 31323310302133 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred ten million, three hundred two thousand, one hundred thirty-three".