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231301233132 = 223103619186019
BaseRepresentation
bin1101011101101010100…
…0001011100111101100
3211010000210002002011020
43113122220023213230
512242201103430012
6254131444054140
722465601020314
oct3273250134754
9733023062136
10231301233132
118a104574a12
12389b2394350
1318a721615b8
14b2a328c444
15603b433a8c
hex35daa0b9ec

231301233132 has 24 divisors (see below), whose sum is σ = 539710987200. Its totient is φ = 77099252496.

The previous prime is 231301233101. The next prime is 231301233157. The reversal of 231301233132 is 231332103132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1150419 + ... + 1336437.

It is an arithmetic number, because the mean of its divisors is an integer number (22487957800).

Almost surely, 2231301233132 is an apocalyptic number.

It is an amenable number.

231301233132 is an abundant number, since it is smaller than the sum of its proper divisors (308409754068).

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

231301233132 is a wasteful number, since it uses less digits than its factorization.

231301233132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289645 (or 289643 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 231301233132 its reverse (231332103132), we get a palindrome (462633336264).

The spelling of 231301233132 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty-three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 103619 186019 207238 310857 372038 414476 558057 621714 744076 1116114 1243428 2232228 19275102761 38550205522 57825308283 77100411044 115650616566 231301233132