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131203042423000 = 23537311375721011
BaseRepresentation
bin11101110101010000010110…
…101111001011000011011000
3122012112212222121120111111121
4131311100112233023003120
5114144112312330014000
61143013502352135024
736431051462446432
oct3565202657130330
9565485877514447
10131203042423000
1138894996a9a799
1212870041537474
135829517288a92
1424583927b3652
151027d5b407b1a
hex775416bcb0d8

131203042423000 has 256 divisors, whose sum is σ = 314404697543040. Its totient is φ = 51234011136000.

The previous prime is 131203042422997. The next prime is 131203042423001. The reversal of 131203042423000 is 324240302131.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131203042423001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6244482495 + ... + 6244503505.

Almost surely, 2131203042423000 is an apocalyptic number.

131203042423000 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 131203042423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157202348771520).

131203042423000 is an abundant number, since it is smaller than the sum of its proper divisors (183201655120040).

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

131203042423000 is a wasteful number, since it uses less digits than its factorization.

131203042423000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21975 (or 21961 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 131203042423000 its reverse (324240302131), we get a palindrome (131527282725131).

The spelling of 131203042423000 in words is "one hundred thirty-one trillion, two hundred three billion, forty-two million, four hundred twenty-three thousand".