313120218 has 8 divisors (see below), whose sum is σ = 626240448. Its totient is φ = 104373404.

The previous prime is 313120217. The next prime is 313120219. The reversal of 313120218 is 812021313.

It is an interprime number because it is at equal distance from previous prime (313120217) and next prime (313120219).

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

313120218 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 313120194 and 313120203.

It is not an unprimeable number, because it can be changed into a prime (313120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26093346 + ... + 26093357.

It is an arithmetic number, because the mean of its divisors is an integer number (78280056).

Almost surely, 2^313120218 is an apocalyptic number.

313120218 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313120218 is a wasteful number, since it uses less digits than its factorization.

313120218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52186708.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 313120218 is about 17695.2032483382. The cubic root of 313120218 is about 679.0530489821.

The spelling of 313120218 in words is "three hundred thirteen million, one hundred twenty thousand, two hundred eighteen".