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31320000300 = 22352437379421
BaseRepresentation
bin11101001010110100…
…010100011100101100
32222211202002212101010
4131022310110130230
51003120410002200
622215504145220
72156065416141
oct351264243454
988752085333
1031320000300
1112312361876
1260a1008210
132c519b3674
1417318943c8
15c3496a150
hex74ad1472c

31320000300 has 288 divisors, whose sum is σ = 95412782080. Its totient is φ = 7925299200.

The previous prime is 31320000293. The next prime is 31320000391. The reversal of 31320000300 is 300002313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

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 95 ways as a sum of consecutive naturals, for example, 74394090 + ... + 74394510.

Almost surely, 231320000300 is an apocalyptic number.

31320000300 is a gapful number since it is divisible by the number (30) 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 31320000300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47706391040).

31320000300 is an abundant number, since it is smaller than the sum of its proper divisors (64092781780).

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

31320000300 is a wasteful number, since it uses less digits than its factorization.

31320000300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

Adding to 31320000300 its reverse (300002313), we get a palindrome (31620002613).

The spelling of 31320000300 in words is "thirty-one billion, three hundred twenty million, three hundred", and thus it is an aban number.