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313113113 = 3110100423
BaseRepresentation
bin10010101010011…
…011101000011001
3210211011210102222
4102222123220121
51120124104423
651023033425
710521263135
oct2252335031
9724153388
10313113113
11150820575
1288a3b875
134cb3c641
142d8283c5
151c74e3c8
hex12a9ba19

313113113 has 4 divisors (see below), whose sum is σ = 323213568. Its totient is φ = 303012660.

The previous prime is 313113083. The next prime is 313113121. The reversal of 313113113 is 311311313.

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.

It is a cyclic number.

It is not a de Polignac number, because 313113113 - 26 = 313113049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313113091 and 313113100.

It is not an unprimeable number, because it can be changed into a prime (313113173) 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, 5050181 + ... + 5050242.

It is an arithmetic number, because the mean of its divisors is an integer number (80803392).

Almost surely, 2313113113 is an apocalyptic number.

It is an amenable number.

313113113 is a deficient number, since it is larger than the sum of its proper divisors (10100455).

313113113 is a wasteful number, since it uses less digits than its factorization.

313113113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100454.

The product of its digits is 81, while the sum is 17.

The square root of 313113113 is about 17695.0024865780. The cubic root of 313113113 is about 679.0479128202.

Adding to 313113113 its reverse (311311313), we get a palindrome (624424426).

The spelling of 313113113 in words is "three hundred thirteen million, one hundred thirteen thousand, one hundred thirteen".

Divisors: 1 31 10100423 313113113