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231043035 = 3534134513
BaseRepresentation
bin11011100010101…
…10111111011011
3121002202012110110
431301112333123
5433121334120
634532015403
75503555566
oct1561267733
9532665413
10231043035
11109466063
1265461563
1338b35c72
14229834dd
151543c2e0
hexdc56fdb

231043035 has 16 divisors (see below), whose sum is σ = 369859104. Its totient is φ = 123159552.

The previous prime is 231043003. The next prime is 231043037. The reversal of 231043035 is 530340132.

It is not a de Polignac number, because 231043035 - 25 = 231043003 is a prime.

It is a super-2 number, since 2×2310430352 = 106761768044022450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231043037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48939 + ... + 53451.

It is an arithmetic number, because the mean of its divisors is an integer number (23116194).

Almost surely, 2231043035 is an apocalyptic number.

231043035 is a deficient number, since it is larger than the sum of its proper divisors (138816069).

231043035 is a wasteful number, since it uses less digits than its factorization.

231043035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7934.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 231043035 is about 15200.0998351985. The cubic root of 231043035 is about 613.6173446057.

Adding to 231043035 its reverse (530340132), we get a palindrome (761383167).

The spelling of 231043035 in words is "two hundred thirty-one million, forty-three thousand, thirty-five".

Divisors: 1 3 5 15 3413 4513 10239 13539 17065 22565 51195 67695 15402869 46208607 77014345 231043035