311452223 has 8 divisors (see below), whose sum is σ = 344111328. Its totient is φ = 280386304.

The previous prime is 311452217. The next prime is 311452231. The reversal of 311452223 is 322254113.

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

It is not a de Polignac number, because 311452223 - 2¹⁰ = 311451199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311452723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397886 + ... + 398667.

It is an arithmetic number, because the mean of its divisors is an integer number (43013916).

Almost surely, 2^311452223 is an apocalyptic number.

311452223 is a deficient number, since it is larger than the sum of its proper divisors (32659105).

311452223 is a wasteful number, since it uses less digits than its factorization.

311452223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796593.

The product of its digits is 1440, while the sum is 23.

The square root of 311452223 is about 17648.0090378490. The cubic root of 311452223 is about 677.8451270996.

The spelling of 311452223 in words is "three hundred eleven million, four hundred fifty-two thousand, two hundred twenty-three".