311102313 has 4 divisors (see below), whose sum is σ = 414803088. Its totient is φ = 207401540.

The previous prime is 311102269. The next prime is 311102317. The reversal of 311102313 is 313201113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313201113 = 3 ⋅104400371.

It is a cyclic number.

It is not a de Polignac number, because 311102313 - 2⁶ = 311102249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311102292 and 311102301.

It is not an unprimeable number, because it can be changed into a prime (311102317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51850383 + ... + 51850388.

It is an arithmetic number, because the mean of its divisors is an integer number (103700772).

Almost surely, 2^311102313 is an apocalyptic number.

It is an amenable number.

311102313 is a deficient number, since it is larger than the sum of its proper divisors (103700775).

311102313 is a wasteful number, since it uses less digits than its factorization.

311102313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103700774.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 311102313 is about 17638.0926689934. The cubic root of 311102313 is about 677.5911837439.

Adding to 311102313 its reverse (313201113), we get a palindrome (624303426).

The spelling of 311102313 in words is "three hundred eleven million, one hundred two thousand, three hundred thirteen".