311103101051 has 2 divisors, whose sum is σ = 311103101052. Its totient is φ = 311103101050.

The previous prime is 311103101041. The next prime is 311103101093. The reversal of 311103101051 is 150101301113.

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-311103101051 is a prime.

It is not a weakly prime, because it can be changed into another prime (311103101041) 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, 155551550525 + 155551550526.

It is an arithmetic number, because the mean of its divisors is an integer number (155551550526).

Almost surely, 2^311103101051 is an apocalyptic number.

311103101051 is a deficient number, since it is larger than the sum of its proper divisors (1).

311103101051 is an equidigital number, since it uses as much as digits as its factorization.

311103101051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45, while the sum is 17.

Adding to 311103101051 its reverse (150101301113), we get a palindrome (461204402164).

The spelling of 311103101051 in words is "three hundred eleven billion, one hundred three million, one hundred one thousand, fifty-one".