311422103 has 4 divisors (see below), whose sum is σ = 327812760. Its totient is φ = 295031448.

The previous prime is 311422079. The next prime is 311422121. The reversal of 311422103 is 301224113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 311422103 - 2¹⁴ = 311405719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311422003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8195300 + ... + 8195337.

It is an arithmetic number, because the mean of its divisors is an integer number (81953190).

Almost surely, 2^311422103 is an apocalyptic number.

311422103 is a deficient number, since it is larger than the sum of its proper divisors (16390657).

311422103 is a wasteful number, since it uses less digits than its factorization.

311422103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16390656.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 311422103 is about 17647.1556631657. The cubic root of 311422103 is about 677.8232753228.

Adding to 311422103 its reverse (301224113), we get a palindrome (612646216).

The spelling of 311422103 in words is "three hundred eleven million, four hundred twenty-two thousand, one hundred three".