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34323131 = 139246929
BaseRepresentation
bin1000001011101…
…1101010111011
32101120210111002
42002323222323
532241320011
63223355215
7564512303
oct202735273
971523432
1034323131
1118413527
12b5b2b0b
13715995b
1447b6603
15302ec3b
hex20bbabb

34323131 has 4 divisors (see below), whose sum is σ = 34570200. Its totient is φ = 34076064.

The previous prime is 34323083. The next prime is 34323143. The reversal of 34323131 is 13132343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34323131 - 210 = 34322107 is a prime.

It is a super-2 number, since 2×343231312 = 2356154643286322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34323031) 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, 123326 + ... + 123603.

It is an arithmetic number, because the mean of its divisors is an integer number (8642550).

Almost surely, 234323131 is an apocalyptic number.

34323131 is a deficient number, since it is larger than the sum of its proper divisors (247069).

34323131 is a wasteful number, since it uses less digits than its factorization.

34323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247068.

The product of its digits is 648, while the sum is 20.

The square root of 34323131 is about 5858.5946267002. The cubic root of 34323131 is about 324.9842390779.

Adding to 34323131 its reverse (13132343), we get a palindrome (47455474).

The spelling of 34323131 in words is "thirty-four million, three hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 139 246929 34323131