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131332523345320 = 2351121012391124107
BaseRepresentation
bin11101110111001000111100…
…011001101100010110101000
3122020000021012100202212102011
4131313020330121230112220
5114203223001434022240
61143153154525445304
736443314234231663
oct3567107431542650
9566007170685364
10131332523345320
11389348a0662100
1212891158410834
1358387b0758b4b
142460756d5c6da
15102b3d88d56ea
hex77723c66c5a8

131332523345320 has 192 divisors, whose sum is σ = 329392421164800. Its totient is φ = 47086552128000.

The previous prime is 131332523345273. The next prime is 131332523345363. The reversal of 131332523345320 is 23543325233131.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116270707 + ... + 117394813.

It is an arithmetic number, because the mean of its divisors is an integer number (1715585526900).

Almost surely, 2131332523345320 is an apocalyptic number.

131332523345320 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 131332523345320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164696210582400).

131332523345320 is an abundant number, since it is smaller than the sum of its proper divisors (198059897819480).

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

131332523345320 is a wasteful number, since it uses less digits than its factorization.

131332523345320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124480 (or 1124465 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 40.

Adding to 131332523345320 its reverse (23543325233131), we get a palindrome (154875848578451).

The spelling of 131332523345320 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, five hundred twenty-three million, three hundred forty-five thousand, three hundred twenty".