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3117 = 31039

3117 has 4 divisors (see below), whose sum is σ = 4160. Its totient is φ = 2076.

The previous prime is 3109. The next prime is 3119. The reversal of 3117 is 7113.

3117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 7113 = 32371.

It is not a de Polignac number, because 3117 - 23 = 3109 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 6 and base 13.

It is a nialpdrome in base 5 and base 15.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3119) 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, 517 + ... + 522.

It is an arithmetic number, because the mean of its divisors is an integer number (1040).

23117 is an apocalyptic number.

It is an amenable number.

3117 is a deficient number, since it is larger than the sum of its proper divisors (1043).

3117 is a wasteful number, since it uses less digits than its factorization.

3117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its digits is 21, while the sum is 12.

The square root of 3117 is about 55.8300994088. The cubic root of 3117 is about 14.6076022209.

It can be divided in two parts, 3 and 117, that multiplied together give a triangular number (351 = T26).

The spelling of 3117 in words is "three thousand, one hundred seventeen", and thus it is an iban number.

Divisors: 1 3 1039 3117