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231353011 = 2413133067
BaseRepresentation
bin11011100101000…
…10101010110011
3121010022221200001
431302202222303
5433211244021
634542410431
75506316401
oct1562425263
9533287601
10231353011
11109657a3a
1265590a17
1338c14096
1422a24471
151549e091
hexdca2ab3

231353011 has 8 divisors (see below), whose sum is σ = 233131184. Its totient is φ = 229582080.

The previous prime is 231353009. The next prime is 231353069. The reversal of 231353011 is 110353132.

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 231353011 - 21 = 231353009 is a prime.

It is a super-2 number, since 2×2313530112 = 107048431397532242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231353011.

It is not an unprimeable number, because it can be changed into a prime (231353071) 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, 73900 + ... + 76966.

It is an arithmetic number, because the mean of its divisors is an integer number (29141398).

Almost surely, 2231353011 is an apocalyptic number.

231353011 is a deficient number, since it is larger than the sum of its proper divisors (1778173).

231353011 is a wasteful number, since it uses less digits than its factorization.

231353011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 231353011 is about 15210.2929294606. The cubic root of 231353011 is about 613.8916393211.

The spelling of 231353011 in words is "two hundred thirty-one million, three hundred fifty-three thousand, eleven".

Divisors: 1 241 313 3067 75433 739147 959971 231353011