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131121330300 = 223252716733049
BaseRepresentation
bin111101000011101110…
…0001011100001111100
3110112110001220201121200
41322013130023201330
54122014030032200
6140123013055500
712321210626622
oct1720734134174
9415401821550
10131121330300
1150676633194
12214b4327590
13c4982b329c
1464bc39b512
15362650e800
hex1e8770b87c

131121330300 has 216 divisors, whose sum is σ = 417537338400. Its totient is φ = 34410700800.

The previous prime is 131121330281. The next prime is 131121330337. The reversal of 131121330300 is 3033121131.

It is a happy number.

131121330300 is a `hidden beast` number, since 1 + 3 + 11 + 21 + 330 + 300 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43003176 + ... + 43006224.

Almost surely, 2131121330300 is an apocalyptic number.

131121330300 is a gapful number since it is divisible by the number (10) 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 131121330300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208768669200).

131121330300 is an abundant number, since it is smaller than the sum of its proper divisors (286416008100).

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

131121330300 is a wasteful number, since it uses less digits than its factorization.

131121330300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 131121330300 its reverse (3033121131), we get a palindrome (134154451431).

The spelling of 131121330300 in words is "one hundred thirty-one billion, one hundred twenty-one million, three hundred thirty thousand, three hundred".