11312403133 has 2 divisors, whose sum is σ = 11312403134. Its totient is φ = 11312403132.

The previous prime is 11312403131. The next prime is 11312403139. The reversal of 11312403133 is 33130421311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8712728964 + 2599674169 = 93342^2 + 50987^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312403133 - 2¹ = 11312403131 is a prime.

Together with 11312403131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312403131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656201566 + 5656201567.

It is an arithmetic number, because the mean of its divisors is an integer number (5656201567).

Almost surely, 2^11312403133 is an apocalyptic number.

It is an amenable number.

11312403133 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312403133 is an equidigital number, since it uses as much as digits as its factorization.

11312403133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 11312403133 its reverse (33130421311), we get a palindrome (44442824444).

The spelling of 11312403133 in words is "eleven billion, three hundred twelve million, four hundred three thousand, one hundred thirty-three".