313311100133 has 2 divisors, whose sum is σ = 313311100134. Its totient is φ = 313311100132.

The previous prime is 313311100117. The next prime is 313311100211. The reversal of 313311100133 is 331001113313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227627272609 + 85683827524 = 477103^2 + 292718^2 .

It is a cyclic number.

It is not a de Polignac number, because 313311100133 - 2⁴ = 313311100117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313311100633) 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, 156655550066 + 156655550067.

It is an arithmetic number, because the mean of its divisors is an integer number (156655550067).

Almost surely, 2^313311100133 is an apocalyptic number.

It is an amenable number.

313311100133 is a deficient number, since it is larger than the sum of its proper divisors (1).

313311100133 is an equidigital number, since it uses as much as digits as its factorization.

313311100133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 313311100133 its reverse (331001113313), we get a palindrome (644312213446).

The spelling of 313311100133 in words is "three hundred thirteen billion, three hundred eleven million, one hundred thousand, one hundred thirty-three".