311132002123 has 2 divisors, whose sum is σ = 311132002124. Its totient is φ = 311132002122.

The previous prime is 311132002117. The next prime is 311132002163. The reversal of 311132002123 is 321200231113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311132002123 - 2¹⁷ = 311131871051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311132002123.

It is not a weakly prime, because it can be changed into another prime (311132002163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155566001061 + 155566001062.

It is an arithmetic number, because the mean of its divisors is an integer number (155566001062).

Almost surely, 2^311132002123 is an apocalyptic number.

311132002123 is a deficient number, since it is larger than the sum of its proper divisors (1).

311132002123 is an equidigital number, since it uses as much as digits as its factorization.

311132002123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311132002123 its reverse (321200231113), we get a palindrome (632332233236).

The spelling of 311132002123 in words is "three hundred eleven billion, one hundred thirty-two million, two thousand, one hundred twenty-three".