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1131303231000 = 2332532337147709
BaseRepresentation
bin10000011101100110111…
…011010101111000011000
311000011002110121122221200
4100131212323111320120
5122013402111343000
62223414042234200
7144506514541455
oct20354673257030
94004073548850
101131303231000
113a68681a9838
121633071b5960
13828b2169b77
143ca80a3482c
151e663c07500
hex10766ed5e18

1131303231000 has 384 divisors, whose sum is σ = 4097924438400. Its totient is φ = 280763366400.

The previous prime is 1131303230987. The next prime is 1131303231013. The reversal of 1131303231000 is 1323031311.

It is a happy number.

1131303231000 is a `hidden beast` number, since 1 + 131 + 303 + 231 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1131303230987) and next prime (1131303231013).

It is a super-2 number, since 2×11313032310002 (a number of 25 digits) contains 22 as substring.

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 95 ways as a sum of consecutive naturals, for example, 7585146 + ... + 7732854.

It is an arithmetic number, because the mean of its divisors is an integer number (10671678225).

Almost surely, 21131303231000 is an apocalyptic number.

1131303231000 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 1131303231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048962219200).

1131303231000 is an abundant number, since it is smaller than the sum of its proper divisors (2966621207400).

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

1131303231000 is a wasteful number, since it uses less digits than its factorization.

1131303231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147796 (or 147779 counting only the distinct ones).

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

Adding to 1131303231000 its reverse (1323031311), we get a palindrome (1132626262311).

The spelling of 1131303231000 in words is "one trillion, one hundred thirty-one billion, three hundred three million, two hundred thirty-one thousand".