311869349 has 8 divisors (see below), whose sum is σ = 342189792. Its totient is φ = 281877040.

The previous prime is 311869343. The next prime is 311869361. The reversal of 311869349 is 943968113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 311869349 - 2²⁰ = 310820773 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 (311869343) 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 7 ways as a sum of consecutive naturals, for example, 80039 + ... + 83844.

It is an arithmetic number, because the mean of its divisors is an integer number (42773724).

Almost surely, 2^311869349 is an apocalyptic number.

It is an amenable number.

311869349 is a deficient number, since it is larger than the sum of its proper divisors (30320443).

311869349 is a wasteful number, since it uses less digits than its factorization.

311869349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164067.

The product of its digits is 139968, while the sum is 44.

The square root of 311869349 is about 17659.8230172332. The cubic root of 311869349 is about 678.1476033409.

The spelling of 311869349 in words is "three hundred eleven million, eight hundred sixty-nine thousand, three hundred forty-nine".