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31348103 = 2311091229
BaseRepresentation
bin111011110010…
…1010110000111
32011222122111212
41313211112013
531011114403
63035522035
7530311613
oct167452607
964878455
1031348103
1116771326
12a5b931b
136657797
144240343
152b434d8
hex1de5587

31348103 has 8 divisors (see below), whose sum is σ = 32767200. Its totient is φ = 29933728.

The previous prime is 31348087. The next prime is 31348117. The reversal of 31348103 is 30184313.

It is a happy number.

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 31348103 - 24 = 31348087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31348123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24893 + ... + 26121.

It is an arithmetic number, because the mean of its divisors is an integer number (4095900).

Almost surely, 231348103 is an apocalyptic number.

31348103 is a deficient number, since it is larger than the sum of its proper divisors (1419097).

31348103 is a wasteful number, since it uses less digits than its factorization.

31348103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2361.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 31348103 is about 5598.9376670936. The cubic root of 31348103 is about 315.3095235904.

The spelling of 31348103 in words is "thirty-one million, three hundred forty-eight thousand, one hundred three".

Divisors: 1 23 1109 1229 25507 28267 1362961 31348103