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131000313000 = 23353377391597
BaseRepresentation
bin111101000000000111…
…0100010010010101000
3110112010122012102002110
41322000032202102220
54121242040004000
6140103011202320
712315211200534
oct1720016422250
9415118172073
10131000313000
1150614297097
122147b8a63a0
13c4791c130b
1464aa298bc4
15361aaa7850
hex1e803a24a8

131000313000 has 256 divisors, whose sum is σ = 420598713600. Its totient is φ = 33922022400.

The previous prime is 131000312953. The next prime is 131000313011. The reversal of 131000313000 is 313000131.

It is a super-2 number, since 2×1310003130002 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82028202 + ... + 82029798.

It is an arithmetic number, because the mean of its divisors is an integer number (1642963725).

Almost surely, 2131000313000 is an apocalyptic number.

131000313000 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 131000313000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210299356800).

131000313000 is an abundant number, since it is smaller than the sum of its proper divisors (289598400600).

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

131000313000 is a wasteful number, since it uses less digits than its factorization.

131000313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 131000313000 its reverse (313000131), we get a palindrome (131313313131).

The spelling of 131000313000 in words is "one hundred thirty-one billion, three hundred thirteen thousand".