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313104243 = 3104368081
BaseRepresentation
bin10010101010011…
…001011101110011
3210211011100021110
4102222121131303
51120123313433
651022524403
710521225234
oct2252313563
9724140243
10313104243
11150814941
1288a36703
134cb385aa
142d82508b
151c74b963
hex12a99773

313104243 has 4 divisors (see below), whose sum is σ = 417472328. Its totient is φ = 208736160.

The previous prime is 313104217. The next prime is 313104301. The reversal of 313104243 is 342401313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342401313 = 3114133771.

It is not a de Polignac number, because 313104243 - 26 = 313104179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313103243) 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, 52184038 + ... + 52184043.

It is an arithmetic number, because the mean of its divisors is an integer number (104368082).

Almost surely, 2313104243 is an apocalyptic number.

313104243 is a deficient number, since it is larger than the sum of its proper divisors (104368085).

313104243 is a wasteful number, since it uses less digits than its factorization.

313104243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104368084.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 313104243 is about 17694.7518490653. The cubic root of 313104243 is about 679.0415006414.

Adding to 313104243 its reverse (342401313), we get a palindrome (655505556).

It can be divided in two parts, 31310 and 4243, that added together give a palindrome (35553).

The spelling of 313104243 in words is "three hundred thirteen million, one hundred four thousand, two hundred forty-three".

Divisors: 1 3 104368081 313104243