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313114661 = 1916479719
BaseRepresentation
bin10010101010011…
…100000000100101
3210211011212120022
4102222130000211
51120124132121
651023044525
710521300506
oct2252340045
9724155508
10313114661
11150821752
1288a40745
134cb40262
142d828bad
151c74eaab
hex12a9c025

313114661 has 4 divisors (see below), whose sum is σ = 329594400. Its totient is φ = 296634924.

The previous prime is 313114649. The next prime is 313114667. The reversal of 313114661 is 166411313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166411313 = 267162303.

It is a cyclic number.

It is not a de Polignac number, because 313114661 - 214 = 313098277 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 313114661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313114667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8239841 + ... + 8239878.

It is an arithmetic number, because the mean of its divisors is an integer number (82398600).

Almost surely, 2313114661 is an apocalyptic number.

It is an amenable number.

313114661 is a deficient number, since it is larger than the sum of its proper divisors (16479739).

313114661 is a wasteful number, since it uses less digits than its factorization.

313114661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16479738.

The product of its digits is 1296, while the sum is 26.

The square root of 313114661 is about 17695.0462276876. The cubic root of 313114661 is about 679.0490318668.

Adding to 313114661 its reverse (166411313), we get a palindrome (479525974).

The spelling of 313114661 in words is "three hundred thirteen million, one hundred fourteen thousand, six hundred sixty-one".

Divisors: 1 19 16479719 313114661