313522 has 8 divisors (see below), whose sum is σ = 513072. Its totient is φ = 142500.

The previous prime is 313517. The next prime is 313543. The reversal of 313522 is 225313.

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

It is a junction number, because it is equal to n+sod(n) for n = 313496 and 313505.

It is an unprimeable number.

313522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104 + ... + 7147.

It is an arithmetic number, because the mean of its divisors is an integer number (64134).

2³¹³⁵²² is an apocalyptic number.

313522 is a deficient number, since it is larger than the sum of its proper divisors (199550).

313522 is a wasteful number, since it uses less digits than its factorization.

313522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14264.

The product of its digits is 180, while the sum is 16.

The square root of 313522 is about 559.9303528118. The cubic root of 313522 is about 67.9343368445.

Adding to 313522 its reverse (225313), we get a palindrome (538835).

Subtracting from 313522 its reverse (225313), we obtain a square (88209 = 297²).

It can be divided in two parts, 31 and 3522, that added together give a palindrome (3553).

The spelling of 313522 in words is "three hundred thirteen thousand, five hundred twenty-two".