311314223 has 8 divisors (see below), whose sum is σ = 354381696. Its totient is φ = 270707800.

The previous prime is 311314187. The next prime is 311314243. The reversal of 311314223 is 322413113.

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

It is not a de Polignac number, because 311314223 - 2¹² = 311310127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 311314195 and 311314204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311314243) 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, 614993 + ... + 615498.

It is an arithmetic number, because the mean of its divisors is an integer number (44297712).

Almost surely, 2^311314223 is an apocalyptic number.

311314223 is a deficient number, since it is larger than the sum of its proper divisors (43067473).

311314223 is a wasteful number, since it uses less digits than its factorization.

311314223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230525.

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

The square root of 311314223 is about 17644.0988151846. The cubic root of 311314223 is about 677.7449978344.

Adding to 311314223 its reverse (322413113), we get a palindrome (633727336).

The spelling of 311314223 in words is "three hundred eleven million, three hundred fourteen thousand, two hundred twenty-three".