311150632123 has 2 divisors, whose sum is σ = 311150632124. Its totient is φ = 311150632122.

The previous prime is 311150632109. The next prime is 311150632141. The reversal of 311150632123 is 321236051113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311150632123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311150632091 and 311150632100.

It is not a weakly prime, because it can be changed into another prime (311150632153) 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, 155575316061 + 155575316062.

It is an arithmetic number, because the mean of its divisors is an integer number (155575316062).

Almost surely, 2^311150632123 is an apocalyptic number.

311150632123 is a deficient number, since it is larger than the sum of its proper divisors (1).

311150632123 is an equidigital number, since it uses as much as digits as its factorization.

311150632123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 311150632123 its reverse (321236051113), we get a palindrome (632386683236).

The spelling of 311150632123 in words is "three hundred eleven billion, one hundred fifty million, six hundred thirty-two thousand, one hundred twenty-three".