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231013321001232 = 243711155946578609
BaseRepresentation
bin110100100001101011111010…
…111011111100100100010000
31010021221122202112120012220120
4310201223322323330210100
5220234410240134014412
62135154015442310240
766442106310266250
oct6441537273744420
91107848675505816
10231013321001232
1167676221222720
1221aabb19958380
139bb960270a4c3
144109166661960
151ba92becdcb8c
hexd21afaefc910

231013321001232 has 320 divisors, whose sum is σ = 744766531891200. Its totient is φ = 59945131376640.

The previous prime is 231013321001209. The next prime is 231013321001237. The reversal of 231013321001232 is 232100123310132.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (231013321001237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26833927744 + ... + 26833936352.

It is an arithmetic number, because the mean of its divisors is an integer number (2327395412160).

Almost surely, 2231013321001232 is an apocalyptic number.

231013321001232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231013321001232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372383265945600).

231013321001232 is an abundant number, since it is smaller than the sum of its proper divisors (513753210889968).

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

231013321001232 is a wasteful number, since it uses less digits than its factorization.

231013321001232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14854 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 231013321001232 its reverse (232100123310132), we get a palindrome (463113444311364).

The spelling of 231013321001232 in words is "two hundred thirty-one trillion, thirteen billion, three hundred twenty-one million, one thousand, two hundred thirty-two".