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231301129 = 2923833347
BaseRepresentation
bin11011100100101…
…10000000001001
3121010020022111111
431302112000021
5433203114004
634541330321
75506012213
oct1562260011
9533208444
10231301129
11109621a64
12655669a1
1338bc6597
1422a0d5b3
151548da04
hexdc96009

231301129 has 8 divisors (see below), whose sum is σ = 239448960. Its totient is φ = 223164816.

The previous prime is 231301127. The next prime is 231301139. The reversal of 231301129 is 921103132.

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 231301129 - 21 = 231301127 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231301123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67434 + ... + 70780.

It is an arithmetic number, because the mean of its divisors is an integer number (29931120).

Almost surely, 2231301129 is an apocalyptic number.

231301129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

231301129 is a deficient number, since it is larger than the sum of its proper divisors (8147831).

231301129 is a wasteful number, since it uses less digits than its factorization.

231301129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 231301129 is about 15208.5873439975. The cubic root of 231301129 is about 613.8457465286.

The spelling of 231301129 in words is "two hundred thirty-one million, three hundred one thousand, one hundred twenty-nine".

Divisors: 1 29 2383 3347 69107 97063 7975901 231301129