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31343041 = 83894243
BaseRepresentation
bin111011110010…
…0000111000001
32011222101120101
41313210013001
531010434131
63035442401
7530261062
oct167440701
964871511
1031343041
1116768544
12a5b6401
1366553a2
14423c569
152b41c61
hex1de41c1

31343041 has 8 divisors (see below), whose sum is σ = 32084640. Its totient is φ = 30610272.

The previous prime is 31343023. The next prime is 31343057. The reversal of 31343041 is 14034313.

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 31343041 - 29 = 31342529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31343441) 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, 5266 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (4010580).

Almost surely, 231343041 is an apocalyptic number.

It is an amenable number.

31343041 is a deficient number, since it is larger than the sum of its proper divisors (741599).

31343041 is an equidigital number, since it uses as much as digits as its factorization.

31343041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 31343041 is about 5598.4855988026. The cubic root of 31343041 is about 315.2925509235.

Adding to 31343041 its reverse (14034313), we get a palindrome (45377354).

The spelling of 31343041 in words is "thirty-one million, three hundred forty-three thousand, forty-one".

Divisors: 1 83 89 4243 7387 352169 377627 31343041