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313300221 = 3138033339
BaseRepresentation
bin10010101011001…
…001010011111101
3210211112022002220
4102223021103331
51120201101341
651031035553
710523002503
oct2253112375
9724468086
10313300221
11150939103
1288b0bbb9
134cba6860
142d876673
151c789a66
hex12ac94fd

313300221 has 8 divisors (see below), whose sum is σ = 449867040. Its totient is φ = 192800112.

The previous prime is 313300217. The next prime is 313300223. The reversal of 313300221 is 122003313.

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

It is not a de Polignac number, because 313300221 - 22 = 313300217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313300221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313300223) 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, 4016631 + ... + 4016708.

It is an arithmetic number, because the mean of its divisors is an integer number (56233380).

Almost surely, 2313300221 is an apocalyptic number.

It is an amenable number.

313300221 is a deficient number, since it is larger than the sum of its proper divisors (136566819).

313300221 is a wasteful number, since it uses less digits than its factorization.

313300221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8033355.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 313300221 is about 17700.2887264587. The cubic root of 313300221 is about 679.1831461611.

Adding to 313300221 its reverse (122003313), we get a palindrome (435303534).

The spelling of 313300221 in words is "three hundred thirteen million, three hundred thousand, two hundred twenty-one".

Divisors: 1 3 13 39 8033339 24100017 104433407 313300221