311464 has 8 divisors (see below), whose sum is σ = 584010. Its totient is φ = 155728.

The previous prime is 311453. The next prime is 311473. The reversal of 311464 is 464113.

It is a happy number.

311464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 100 = 558^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19459 + ... + 19474.

2³¹¹⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

311464 is a deficient number, since it is larger than the sum of its proper divisors (272546).

311464 is a wasteful number, since it uses less digits than its factorization.

311464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38939 (or 38935 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 311464 is about 558.0895985413. The cubic root of 311464 is about 67.7853670819.

Adding to 311464 its reverse (464113), we get a palindrome (775577).

The spelling of 311464 in words is "three hundred eleven thousand, four hundred sixty-four".