311342103 has 16 divisors (see below), whose sum is σ = 461556960. Its totient is φ = 207422208.

The previous prime is 311342051. The next prime is 311342107. The reversal of 311342103 is 301243113.

311342103 is a `hidden beast` number, since 311 + 342 + 10 + 3 = 666.

It is not a de Polignac number, because 311342103 - 2¹⁷ = 311211031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311342107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51601 + ... + 57317.

It is an arithmetic number, because the mean of its divisors is an integer number (28847310).

Almost surely, 2^311342103 is an apocalyptic number.

311342103 is a deficient number, since it is larger than the sum of its proper divisors (150214857).

311342103 is a wasteful number, since it uses less digits than its factorization.

311342103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7737 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 311342103 is about 17644.8888633508. Note that the first 4 decimals coincide. The cubic root of 311342103 is about 677.7652292331.

Adding to 311342103 its reverse (301243113), we get a palindrome (612585216).

The spelling of 311342103 in words is "three hundred eleven million, three hundred forty-two thousand, one hundred three".