313238 has 4 divisors (see below), whose sum is σ = 469860. Its totient is φ = 156618.

The previous prime is 313219. The next prime is 313241. The reversal of 313238 is 832313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832313 = 59 ⋅14107.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78308 + ... + 78311.

It is an arithmetic number, because the mean of its divisors is an integer number (117465).

2³¹³²³⁸ is an apocalyptic number.

313238 is a deficient number, since it is larger than the sum of its proper divisors (156622).

313238 is a wasteful number, since it uses less digits than its factorization.

313238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156621.

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

The square root of 313238 is about 559.6766923859. The cubic root of 313238 is about 67.9138181566.

The spelling of 313238 in words is "three hundred thirteen thousand, two hundred thirty-eight".