311984093 has 8 divisors (see below), whose sum is σ = 326856960. Its totient is φ = 297411840.

The previous prime is 311984087. The next prime is 311984137. The reversal of 311984093 is 390489113.

It is a happy number.

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 311984093 - 2⁴ = 311984077 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 (311984003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73028 + ... + 77181.

It is an arithmetic number, because the mean of its divisors is an integer number (40857120).

Almost surely, 2^311984093 is an apocalyptic number.

It is an amenable number.

311984093 is a deficient number, since it is larger than the sum of its proper divisors (14872867).

311984093 is a wasteful number, since it uses less digits than its factorization.

311984093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150307.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 311984093 is about 17663.0714486468. The cubic root of 311984093 is about 678.2307619111.

The spelling of 311984093 in words is "three hundred eleven million, nine hundred eighty-four thousand, ninety-three".