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231130202322 = 2338521700387
BaseRepresentation
bin1101011101000001101…
…1110000000011010010
3211002120212020210222210
43113100123300003102
512241323312433242
6254102454212550
722461423206235
oct3272033600322
9732525223883
10231130202322
118a026a78a38
1238965054156
1318a458ab036
14b28868b41c
15602b3ecd9c
hex35d06f00d2

231130202322 has 8 divisors (see below), whose sum is σ = 462260404656. Its totient is φ = 77043400772.

The previous prime is 231130202293. The next prime is 231130202383. The reversal of 231130202322 is 223202031132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

231130202322 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19260850188 + ... + 19260850199.

It is an arithmetic number, because the mean of its divisors is an integer number (57782550582).

Almost surely, 2231130202322 is an apocalyptic number.

231130202322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231130202322 is a wasteful number, since it uses less digits than its factorization.

231130202322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38521700392.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231130202322 its reverse (223202031132), we get a palindrome (454332233454).

The spelling of 231130202322 in words is "two hundred thirty-one billion, one hundred thirty million, two hundred two thousand, three hundred twenty-two".

Divisors: 1 2 3 6 38521700387 77043400774 115565101161 231130202322