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231302323320 = 23351927519361
BaseRepresentation
bin1101011101101010110…
…0010101110001111000
3211010000212010110121120
43113122230111301320
512242201343321240
6254131523305240
722465613210565
oct3273254256170
9733025113546
10231302323320
118a105149aa2
12389b281b220
1318a72453893
14b2a349386c
15603b59bad0
hex35dab15c78

231302323320 has 32 divisors (see below), whose sum is σ = 693906970320. Its totient is φ = 61680619520.

The previous prime is 231302323309. The next prime is 231302323327. The reversal of 231302323320 is 23323203132.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231302323327) 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, 963759561 + ... + 963759800.

Almost surely, 2231302323320 is an apocalyptic number.

231302323320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302323320 is an abundant number, since it is smaller than the sum of its proper divisors (462604647000).

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

231302323320 is a wasteful number, since it uses less digits than its factorization.

231302323320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927519375 (or 1927519371 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 231302323320 its reverse (23323203132), we get a palindrome (254625526452).

The spelling of 231302323320 in words is "two hundred thirty-one billion, three hundred two million, three hundred twenty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1927519361 3855038722 5782558083 7710077444 9637596805 11565116166 15420154888 19275193610 23130232332 28912790415 38550387220 46260464664 57825580830 77100774440 115651161660 231302323320