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313143329 = 4310172103
BaseRepresentation
bin10010101010100…
…011000000100001
3210211020022220002
4102222203000201
51120131041304
651023425345
710521450212
oct2252430041
9724208802
10313143329
11150841244
1288a55255
134cb50315
142d835409
151c75831e
hex12aa3021

313143329 has 8 divisors (see below), whose sum is σ = 323602752. Its totient is φ = 302828400.

The previous prime is 313143323. The next prime is 313143359. The reversal of 313143329 is 923341313.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 313143329 - 224 = 296366113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313143323) 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, 31709 + ... + 40394.

It is an arithmetic number, because the mean of its divisors is an integer number (40450344).

Almost surely, 2313143329 is an apocalyptic number.

It is an amenable number.

313143329 is a deficient number, since it is larger than the sum of its proper divisors (10459423).

313143329 is a wasteful number, since it uses less digits than its factorization.

313143329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72247.

The product of its digits is 5832, while the sum is 29.

The square root of 313143329 is about 17695.8562663693. The cubic root of 313143329 is about 679.0697552481.

It can be divided in two parts, 31314 and 3329, that added together give a palindrome (34643).

The spelling of 313143329 in words is "three hundred thirteen million, one hundred forty-three thousand, three hundred twenty-nine".

Divisors: 1 43 101 4343 72103 3100429 7282403 313143329