31301112210133 has 2 divisors, whose sum is σ = 31301112210134. Its totient is φ = 31301112210132.

The previous prime is 31301112210041. The next prime is 31301112210169. The reversal of 31301112210133 is 33101221110313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18901086661444 + 12400025548689 = 4347538^2 + 3521367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31301112210133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301112211133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650556105066 + 15650556105067.

It is an arithmetic number, because the mean of its divisors is an integer number (15650556105067).

Almost surely, 2^{31301112210133} is an apocalyptic number.

It is an amenable number.

31301112210133 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301112210133 is an equidigital number, since it uses as much as digits as its factorization.

31301112210133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 31301112210133 its reverse (33101221110313), we get a palindrome (64402333320446).

The spelling of 31301112210133 in words is "thirty-one trillion, three hundred one billion, one hundred twelve million, two hundred ten thousand, one hundred thirty-three".