311340413 has 8 divisors (see below), whose sum is σ = 313403520. Its totient is φ = 309284640.

The previous prime is 311340377. The next prime is 311340427. The reversal of 311340413 is 314043113.

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 311340413 - 2¹⁸ = 311078269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311340613) 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, 101618 + ... + 104636.

It is an arithmetic number, because the mean of its divisors is an integer number (39175440).

Almost surely, 2^311340413 is an apocalyptic number.

It is an amenable number.

311340413 is a deficient number, since it is larger than the sum of its proper divisors (2063107).

311340413 is a wasteful number, since it uses less digits than its factorization.

311340413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 311340413 is about 17644.8409740638. The cubic root of 311340413 is about 677.7640029022.

Adding to 311340413 its reverse (314043113), we get a palindrome (625383526).

The spelling of 311340413 in words is "three hundred eleven million, three hundred forty thousand, four hundred thirteen".