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131330112000 = 293532832417
BaseRepresentation
bin111101001001111100…
…0100111101000000000
3110112222121202221021020
41322103320213220000
54122431002041000
6140155432025440
712326324350623
oct1722370475000
9415877687236
10131330112000
1150773473a4a
1221552232280
13c4cc623759
1464dbdc7dba
153639a00ba0
hex1e93e27a00

131330112000 has 320 divisors, whose sum is σ = 438363978624. Its totient is φ = 34883174400.

The previous prime is 131330111929. The next prime is 131330112007. The reversal of 131330112000 is 211033131.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (131330112007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54334792 + ... + 54337208.

Almost surely, 2131330112000 is an apocalyptic number.

131330112000 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 131330112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219181989312).

131330112000 is an abundant number, since it is smaller than the sum of its proper divisors (307033866624).

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

131330112000 is an equidigital number, since it uses as much as digits as its factorization.

131330112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736 (or 2710 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 131330112000 its reverse (211033131), we get a palindrome (131541145131).

The spelling of 131330112000 in words is "one hundred thirty-one billion, three hundred thirty million, one hundred twelve thousand".