311720327 has 8 divisors (see below), whose sum is σ = 329602560. Its totient is φ = 293985720.

The previous prime is 311720237. The next prime is 311720341. The reversal of 311720327 is 723027113.

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 311720327 - 2¹⁴ = 311703943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311720296 and 311720305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311720377) 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, 32549 + ... + 41022.

It is an arithmetic number, because the mean of its divisors is an integer number (41200320).

Almost surely, 2^311720327 is an apocalyptic number.

311720327 is a deficient number, since it is larger than the sum of its proper divisors (17882233).

311720327 is a wasteful number, since it uses less digits than its factorization.

311720327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73813.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 311720327 is about 17655.6032748813. The cubic root of 311720327 is about 678.0395719776.

The spelling of 311720327 in words is "three hundred eleven million, seven hundred twenty thousand, three hundred twenty-seven".