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3113431 = 17373491
BaseRepresentation
bin1011111000000111010111
312212011211021
423320013113
51244112211
6150422011
735315026
oct13700727
95764737
103113431
111837192
121061907
13850189
145b08bd
15417771
hex2f81d7

3113431 has 8 divisors (see below), whose sum is σ = 3312144. Its totient is φ = 2916480.

The previous prime is 3113401. The next prime is 3113437. The reversal of 3113431 is 1343113.

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 3113431 - 25 = 3113399 is a prime.

It is a super-2 number, since 2×31134312 = 19386905183522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (414018).

Almost surely, 23113431 is an apocalyptic number.

3113431 is a deficient number, since it is larger than the sum of its proper divisors (198713).

3113431 is a wasteful number, since it uses less digits than its factorization.

3113431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its digits is 108, while the sum is 16.

The square root of 3113431 is about 1764.4917115135. The cubic root of 3113431 is about 146.0202480206.

Adding to 3113431 its reverse (1343113), we get a palindrome (4456544).

The spelling of 3113431 in words is "three million, one hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 17 373 491 6341 8347 183143 3113431