313520223 has 8 divisors (see below), whose sum is σ = 418156288. Its totient is φ = 208948824.

The previous prime is 313520219. The next prime is 313520227. The reversal of 313520223 is 322025313.

It is an interprime number because it is at equal distance from previous prime (313520219) and next prime (313520227).

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

It is not a de Polignac number, because 313520223 - 2² = 313520219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313520223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313520227) 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, 3415 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (52269536).

Almost surely, 2^313520223 is an apocalyptic number.

313520223 is a deficient number, since it is larger than the sum of its proper divisors (104636065).

313520223 is a wasteful number, since it uses less digits than its factorization.

313520223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32333.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 313520223 is about 17706.5022802359. The cubic root of 313520223 is about 679.3420849671.

Adding to 313520223 its reverse (322025313), we get a palindrome (635545536).

The spelling of 313520223 in words is "three hundred thirteen million, five hundred twenty thousand, two hundred twenty-three".